213496788 has 24 divisors (see below), whose sum is σ = 500250240. Its totient is φ = 70866880.

The previous prime is 213496769. The next prime is 213496807. The reversal of 213496788 is 887694312.

It is an interprime number because it is at equal distance from previous prime (213496769) and next prime (213496807).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34353 + ... + 40088.

It is an arithmetic number, because the mean of its divisors is an integer number (20843760).

Almost surely, 2^213496788 is an apocalyptic number.

It is an amenable number.

213496788 is an abundant number, since it is smaller than the sum of its proper divisors (286753452).

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

213496788 is a wasteful number, since it uses less digits than its factorization.

213496788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74687 (or 74685 counting only the distinct ones).

The product of its digits is 580608, while the sum is 48.

The square root of 213496788 is about 14611.5292834118. The cubic root of 213496788 is about 597.6731994405.

The spelling of 213496788 in words is "two hundred thirteen million, four hundred ninety-six thousand, seven hundred eighty-eight".