381000732 has 48 divisors (see below), whose sum is σ = 1016961792. Its totient is φ = 108754560.

The previous prime is 381000731. The next prime is 381000733. The reversal of 381000732 is 237000183.

It is an interprime number because it is at equal distance from previous prime (381000731) and next prime (381000733).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381000731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159507 + ... + 161877.

It is an arithmetic number, because the mean of its divisors is an integer number (21186704).

Almost surely, 2^381000732 is an apocalyptic number.

It is an amenable number.

381000732 is an abundant number, since it is smaller than the sum of its proper divisors (635961060).

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

381000732 is a wasteful number, since it uses less digits than its factorization.

381000732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4298 (or 4296 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 381000732 is about 19519.2400466821. The cubic root of 381000732 is about 724.9509166929.

The spelling of 381000732 in words is "three hundred eighty-one million, seven hundred thirty-two", and thus it is an aban number.