212093424 has 40 divisors (see below), whose sum is σ = 608787920. Its totient is φ = 70697664.

The previous prime is 212093423. The next prime is 212093449. The reversal of 212093424 is 424390212.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212093423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245047 + ... + 245910.

It is an arithmetic number, because the mean of its divisors is an integer number (15219698).

Almost surely, 2^212093424 is an apocalyptic number.

212093424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

212093424 is an abundant number, since it is smaller than the sum of its proper divisors (396694496).

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

212093424 is a wasteful number, since it uses less digits than its factorization.

212093424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490974 (or 490962 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 212093424 is about 14563.4276185244. The cubic root of 212093424 is about 596.3607713187.

The spelling of 212093424 in words is "two hundred twelve million, ninety-three thousand, four hundred twenty-four".