38132731 has 12 divisors (see below), whose sum is σ = 47771472. Its totient is φ = 30170448.

The previous prime is 38132729. The next prime is 38132741. The reversal of 38132731 is 13723183.

It is not a de Polignac number, because 38132731 - 2¹ = 38132729 is a prime.

It is a super-2 number, since 2×38132731² = 2908210347036722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38132731.

It is not an unprimeable number, because it can be changed into a prime (38132741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29295 + ... + 30568.

It is an arithmetic number, because the mean of its divisors is an integer number (3980956).

Almost surely, 2^38132731 is an apocalyptic number.

38132731 is a deficient number, since it is larger than the sum of its proper divisors (9638741).

38132731 is a wasteful number, since it uses less digits than its factorization.

38132731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59890 (or 59883 counting only the distinct ones).

The product of its digits is 3024, while the sum is 28.

The square root of 38132731 is about 6175.1705239613. The cubic root of 38132731 is about 336.5885229651.

The spelling of 38132731 in words is "thirty-eight million, one hundred thirty-two thousand, seven hundred thirty-one".