213842504 has 16 divisors (see below), whose sum is σ = 402518700. Its totient is φ = 106504192.

The previous prime is 213842501. The next prime is 213842509. The reversal of 213842504 is 405248312.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 213218404 + 624100 = 14602^2 + 790^2 .

It is not an unprimeable number, because it can be changed into a prime (213842501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49949 + ... + 54060.

Almost surely, 2^213842504 is an apocalyptic number.

It is an amenable number.

213842504 is a deficient number, since it is larger than the sum of its proper divisors (188676196).

213842504 is a wasteful number, since it uses less digits than its factorization.

213842504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104272 (or 104268 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 213842504 is about 14623.3547450645. The cubic root of 213842504 is about 597.9956301437.

The spelling of 213842504 in words is "two hundred thirteen million, eight hundred forty-two thousand, five hundred four".