38831955 has 16 divisors (see below), whose sum is σ = 62213280. Its totient is φ = 20683008.

The previous prime is 38831869. The next prime is 38831977. The reversal of 38831955 is 55913883.

It is not a de Polignac number, because 38831955 - 2⁸ = 38831699 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15789 + ... + 18081.

It is an arithmetic number, because the mean of its divisors is an integer number (3888330).

Almost surely, 2^38831955 is an apocalyptic number.

38831955 is a deficient number, since it is larger than the sum of its proper divisors (23381325).

38831955 is a wasteful number, since it uses less digits than its factorization.

38831955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3430.

The product of its digits is 129600, while the sum is 42.

The square root of 38831955 is about 6231.5291060862. The cubic root of 38831955 is about 338.6333694341.

The spelling of 38831955 in words is "thirty-eight million, eight hundred thirty-one thousand, nine hundred fifty-five".