38097831 has 16 divisors (see below), whose sum is σ = 54483840. Its totient is φ = 23605920.

The previous prime is 38097809. The next prime is 38097859. The reversal of 38097831 is 13879083.

38097831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38097831 - 2⁶ = 38097767 is a prime.

It is a super-2 number, since 2×38097831² = 2902889453809122, 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 38097831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38097431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3285 + ... + 9326.

It is an arithmetic number, because the mean of its divisors is an integer number (3405240).

Almost surely, 2^38097831 is an apocalyptic number.

38097831 is a deficient number, since it is larger than the sum of its proper divisors (16386009).

38097831 is a wasteful number, since it uses less digits than its factorization.

38097831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12686.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 38097831 is about 6172.3440442023. The cubic root of 38097831 is about 336.4858069636.

The spelling of 38097831 in words is "thirty-eight million, ninety-seven thousand, eight hundred thirty-one".