213574460 has 24 divisors (see below), whose sum is σ = 489280176. Its totient is φ = 77663360.

The previous prime is 213574423. The next prime is 213574477. The reversal of 213574460 is 64475312.

It is a super-2 number, since 2×213574460² = 91228099928583200, which contains 22 as substring.

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, 485177 + ... + 485616.

It is an arithmetic number, because the mean of its divisors is an integer number (20386674).

Almost surely, 2^213574460 is an apocalyptic number.

213574460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213574460 is an abundant number, since it is smaller than the sum of its proper divisors (275705716).

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

213574460 is a wasteful number, since it uses less digits than its factorization.

213574460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970813 (or 970811 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 213574460 is about 14614.1869428306. The cubic root of 213574460 is about 597.7456702330.

The spelling of 213574460 in words is "two hundred thirteen million, five hundred seventy-four thousand, four hundred sixty".