253386684 has 48 divisors (see below), whose sum is σ = 678128640. Its totient is φ = 81736560.

The previous prime is 253386673. The next prime is 253386691. The reversal of 253386684 is 486683352.

It is a happy number.

253386684 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34494 + ... + 41189.

It is an arithmetic number, because the mean of its divisors is an integer number (14127680).

Almost surely, 2^253386684 is an apocalyptic number.

It is an amenable number.

253386684 is an abundant number, since it is smaller than the sum of its proper divisors (424741956).

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

253386684 is a wasteful number, since it uses less digits than its factorization.

253386684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75727 (or 75719 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The square root of 253386684 is about 15918.1243869999. The cubic root of 253386684 is about 632.7924118836.

The spelling of 253386684 in words is "two hundred fifty-three million, three hundred eighty-six thousand, six hundred eighty-four".