381317432 has 16 divisors (see below), whose sum is σ = 718566000. Its totient is φ = 189699840.

The previous prime is 381317423. The next prime is 381317459. The reversal of 381317432 is 234713183.

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, 118169 + ... + 121352.

It is an arithmetic number, because the mean of its divisors is an integer number (44910375).

Almost surely, 2^381317432 is an apocalyptic number.

It is an amenable number.

381317432 is a deficient number, since it is larger than the sum of its proper divisors (337248568).

381317432 is a wasteful number, since it uses less digits than its factorization.

381317432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239726 (or 239722 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 381317432 is about 19527.3508699977. The cubic root of 381317432 is about 725.1517285293.

The spelling of 381317432 in words is "three hundred eighty-one million, three hundred seventeen thousand, four hundred thirty-two".