1238632888 has 32 divisors (see below), whose sum is σ = 2384751600. Its totient is φ = 602800128.

The previous prime is 1238632883. The next prime is 1238632921. The reversal of 1238632888 is 8882368321.

It is a happy number.

It is a super-2 number, since 2×1238632888² = 3068422862470441088, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1238632883) 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 7 ways as a sum of consecutive naturals, for example, 94648 + ... + 106936.

Almost surely, 2^1238632888 is an apocalyptic number.

It is an amenable number.

1238632888 is a deficient number, since it is larger than the sum of its proper divisors (1146118712).

1238632888 is a wasteful number, since it uses less digits than its factorization.

1238632888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12631 (or 12627 counting only the distinct ones).

The product of its digits is 884736, while the sum is 49.

The square root of 1238632888 is about 35194.2166839951. The cubic root of 1238632888 is about 1073.9421034624.

The spelling of 1238632888 in words is "one billion, two hundred thirty-eight million, six hundred thirty-two thousand, eight hundred eighty-eight".