213746916 has 24 divisors (see below), whose sum is σ = 528081120. Its totient is φ = 67057792.

The previous prime is 213746893. The next prime is 213746917. The reversal of 213746916 is 619647312.

213746916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×213746916² = 91375488199022112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213746917) 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, 523686 + ... + 524093.

It is an arithmetic number, because the mean of its divisors is an integer number (22003380).

Almost surely, 2^213746916 is an apocalyptic number.

It is an amenable number.

213746916 is an abundant number, since it is smaller than the sum of its proper divisors (314334204).

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

213746916 is a wasteful number, since it uses less digits than its factorization.

213746916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047803 (or 1047801 counting only the distinct ones).

The product of its digits is 54432, while the sum is 39.

The square root of 213746916 is about 14620.0860462584. The cubic root of 213746916 is about 597.9065151418.

The spelling of 213746916 in words is "two hundred thirteen million, seven hundred forty-six thousand, nine hundred sixteen".