213928476 has 48 divisors (see below), whose sum is σ = 546769440. Its totient is φ = 64798720.

The previous prime is 213928439. The next prime is 213928501. The reversal of 213928476 is 674829312.

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, 12165 + ... + 23996.

It is an arithmetic number, because the mean of its divisors is an integer number (11391030).

Almost surely, 2^213928476 is an apocalyptic number.

It is an amenable number.

213928476 is an abundant number, since it is smaller than the sum of its proper divisors (332840964).

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

213928476 is a wasteful number, since it uses less digits than its factorization.

213928476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36214 (or 36212 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 213928476 is about 14626.2939940369. The cubic root of 213928476 is about 598.0757576382.

The spelling of 213928476 in words is "two hundred thirteen million, nine hundred twenty-eight thousand, four hundred seventy-six".