253003984 has 40 divisors (see below), whose sum is σ = 499468032. Its totient is φ = 124128000.

The previous prime is 253003957. The next prime is 253004021. The reversal of 253003984 is 489300352.

It is a happy number.

It is a super-2 number, since 2×253003984² = 128022031839744512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292737 + ... + 293599.

Almost surely, 2^253003984 is an apocalyptic number.

It is an amenable number.

253003984 is a deficient number, since it is larger than the sum of its proper divisors (246464048).

253003984 is a wasteful number, since it uses less digits than its factorization.

253003984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195 (or 1189 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 253003984 is about 15906.0989560608. The cubic root of 253003984 is about 632.4736741687.

The spelling of 253003984 in words is "two hundred fifty-three million, three thousand, nine hundred eighty-four".