38116731 has 8 divisors (see below), whose sum is σ = 51518800. Its totient is φ = 25062912.

The previous prime is 38116723. The next prime is 38116747. The reversal of 38116731 is 13761183.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38116731 - 2³ = 38116723 is a prime.

It is a super-2 number, since 2×38116731² = 2905770364252722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38116751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86806 + ... + 87243.

It is an arithmetic number, because the mean of its divisors is an integer number (6439850).

Almost surely, 2^38116731 is an apocalyptic number.

38116731 is a deficient number, since it is larger than the sum of its proper divisors (13402069).

38116731 is a wasteful number, since it uses less digits than its factorization.

38116731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174125.

The product of its digits is 3024, while the sum is 30.

The square root of 38116731 is about 6173.8748772550. The cubic root of 38116731 is about 336.5414403179.

The spelling of 38116731 in words is "thirty-eight million, one hundred sixteen thousand, seven hundred thirty-one".