213262938 has 24 divisors (see below), whose sum is σ = 528079968. Its totient is φ = 60932232.

The previous prime is 213262901. The next prime is 213262967. The reversal of 213262938 is 839262312.

213262938 is a `hidden beast` number, since 21 + 3 + 2 + 629 + 3 + 8 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 846156 + ... + 846407.

It is an arithmetic number, because the mean of its divisors is an integer number (22003332).

Almost surely, 2^213262938 is an apocalyptic number.

213262938 is an abundant number, since it is smaller than the sum of its proper divisors (314817030).

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

213262938 is a wasteful number, since it uses less digits than its factorization.

213262938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1692578 (or 1692575 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 213262938 is about 14603.5248484741. The cubic root of 213262938 is about 597.4549027312.

The spelling of 213262938 in words is "two hundred thirteen million, two hundred sixty-two thousand, nine hundred thirty-eight".