253787604 has 48 divisors (see below), whose sum is σ = 682781568. Its totient is φ = 71866368.

The previous prime is 253787593. The next prime is 253787609. The reversal of 253787604 is 406787352.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253787609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3877 + ... + 22860.

It is an arithmetic number, because the mean of its divisors is an integer number (14224616).

Almost surely, 2^253787604 is an apocalyptic number.

It is an amenable number.

253787604 is an abundant number, since it is smaller than the sum of its proper divisors (428993964).

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

253787604 is a wasteful number, since it uses less digits than its factorization.

253787604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26864 (or 26862 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 42.

The square root of 253787604 is about 15930.7126017639. The cubic root of 253787604 is about 633.1259803812.

The spelling of 253787604 in words is "two hundred fifty-three million, seven hundred eighty-seven thousand, six hundred four".