213934682 has 32 divisors (see below), whose sum is σ = 359856000. Its totient is φ = 94707648.

The previous prime is 213934673. The next prime is 213934697. The reversal of 213934682 is 286439312.

It is a super-2 number, since 2×213934682² = 91536096324882248, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125069 + ... + 126767.

It is an arithmetic number, because the mean of its divisors is an integer number (11245500).

Almost surely, 2^213934682 is an apocalyptic number.

213934682 is a deficient number, since it is larger than the sum of its proper divisors (145921318).

213934682 is a wasteful number, since it uses less digits than its factorization.

213934682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1910.

The product of its digits is 62208, while the sum is 38.

The square root of 213934682 is about 14626.5061446676. The cubic root of 213934682 is about 598.0815409142.

The spelling of 213934682 in words is "two hundred thirteen million, nine hundred thirty-four thousand, six hundred eighty-two".