253403676 has 36 divisors (see below), whose sum is σ = 657863752. Its totient is φ = 82184544.

The previous prime is 253403671. The next prime is 253403681. The reversal of 253403676 is 676304352.

253403676 is a `hidden beast` number, since 253 + 40 + 367 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (253403671) and next prime (253403681).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 253403676.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253403671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93790 + ... + 96453.

Almost surely, 2^253403676 is an apocalyptic number.

It is an amenable number.

253403676 is an abundant number, since it is smaller than the sum of its proper divisors (404460076).

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

253403676 is a wasteful number, since it uses less digits than its factorization.

253403676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190290 (or 190285 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 36.

The square root of 253403676 is about 15918.6581092754. The cubic root of 253403676 is about 632.8065564947.

The spelling of 253403676 in words is "two hundred fifty-three million, four hundred three thousand, six hundred seventy-six".