381232536 has 16 divisors (see below), whose sum is σ = 953081400. Its totient is φ = 127077504.

The previous prime is 381232477. The next prime is 381232573. The reversal of 381232536 is 635232183.

It is a junction number, because it is equal to n+sod(n) for n = 381232497 and 381232506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7942321 + ... + 7942368.

Almost surely, 2^381232536 is an apocalyptic number.

It is an amenable number.

381232536 is an abundant number, since it is smaller than the sum of its proper divisors (571848864).

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

381232536 is a wasteful number, since it uses less digits than its factorization.

381232536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15884698 (or 15884694 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 381232536 is about 19525.1769774310. The cubic root of 381232536 is about 725.0979089333.

The spelling of 381232536 in words is "three hundred eighty-one million, two hundred thirty-two thousand, five hundred thirty-six".