213426936 has 72 divisors (see below), whose sum is σ = 604847880. Its totient is φ = 67859616.

The previous prime is 213426901. The next prime is 213426937. The reversal of 213426936 is 639624312.

213426936 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 213426936.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213426937) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 594325 + ... + 594683.

It is an arithmetic number, because the mean of its divisors is an integer number (8400665).

Almost surely, 2^213426936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213426936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302423940).

213426936 is an abundant number, since it is smaller than the sum of its proper divisors (391420944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213426936 is a wasteful number, since it uses less digits than its factorization.

213426936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753 (or 387 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 213426936 is about 14609.1387836518. The cubic root of 213426936 is about 597.6080099785.

The spelling of 213426936 in words is "two hundred thirteen million, four hundred twenty-six thousand, nine hundred thirty-six".