213704460 has 48 divisors (see below), whose sum is σ = 664860000. Its totient is φ = 56987712.

The previous prime is 213704437. The next prime is 213704471. The reversal of 213704460 is 64407312.

213704460 is a `hidden beast` number, since 213 + 7 + 0 + 446 + 0 = 666.

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

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, 197335 + ... + 198414.

It is an arithmetic number, because the mean of its divisors is an integer number (13851250).

Almost surely, 2^213704460 is an apocalyptic number.

213704460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213704460 is an abundant number, since it is smaller than the sum of its proper divisors (451155540).

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

213704460 is a wasteful number, since it uses less digits than its factorization.

213704460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395767 (or 395759 counting only the distinct ones).

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

The square root of 213704460 is about 14618.6339991122. The cubic root of 213704460 is about 597.8669256429.

The spelling of 213704460 in words is "two hundred thirteen million, seven hundred four thousand, four hundred sixty".