253937944 has 32 divisors (see below), whose sum is σ = 513465120. Its totient is φ = 117040896.

The previous prime is 253937939. The next prime is 253938001. The reversal of 253937944 is 449739352.

It is a junction number, because it is equal to n+sod(n) for n = 253937894 and 253937903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109404 + ... + 111700.

It is an arithmetic number, because the mean of its divisors is an integer number (16045785).

Almost surely, 2^253937944 is an apocalyptic number.

It is an amenable number.

253937944 is an abundant number, since it is smaller than the sum of its proper divisors (259527176).

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

253937944 is a wasteful number, since it uses less digits than its factorization.

253937944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3379 (or 3375 counting only the distinct ones).

The product of its digits is 816480, while the sum is 46.

The square root of 253937944 is about 15935.4304617102. The cubic root of 253937944 is about 633.2509738394.

The spelling of 253937944 in words is "two hundred fifty-three million, nine hundred thirty-seven thousand, nine hundred forty-four".