213404760 has 64 divisors (see below), whose sum is σ = 711352800. Its totient is φ = 56907648.

The previous prime is 213404749. The next prime is 213404783. The reversal of 213404760 is 67404312.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97719 + ... + 99878.

Almost surely, 2^213404760 is an apocalyptic number.

213404760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213404760 is an abundant number, since it is smaller than the sum of its proper divisors (497948040).

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

213404760 is a wasteful number, since it uses less digits than its factorization.

213404760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197617 (or 197607 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 213404760 is about 14608.3797869579. The cubic root of 213404760 is about 597.5873112256.

The spelling of 213404760 in words is "two hundred thirteen million, four hundred four thousand, seven hundred sixty".