249913604 has 12 divisors (see below), whose sum is σ = 437460828. Its totient is φ = 124924800.

The previous prime is 249913597. The next prime is 249913637. The reversal of 249913604 is 406319942.

It can be written as a sum of positive squares in 2 ways, for example, as 230128900 + 19784704 = 15170^2 + 4448^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22424 + ... + 31664.

It is an arithmetic number, because the mean of its divisors is an integer number (36455069).

Almost surely, 2^249913604 is an apocalyptic number.

It is an amenable number.

249913604 is a deficient number, since it is larger than the sum of its proper divisors (187547224).

249913604 is a wasteful number, since it uses less digits than its factorization.

249913604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16006 (or 16004 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 249913604 is about 15808.6559833529. The cubic root of 249913604 is about 629.8879484937.

The spelling of 249913604 in words is "two hundred forty-nine million, nine hundred thirteen thousand, six hundred four".