38803631 has 4 divisors (see below), whose sum is σ = 38841000. Its totient is φ = 38766264.

The previous prime is 38803613. The next prime is 38803669. The reversal of 38803631 is 13630883.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13630883 = 7 ⋅1947269.

It is a cyclic number.

It is not a de Polignac number, because 38803631 - 2²² = 34609327 is a prime.

It is a super-2 number, since 2×38803631² = 3011443557568322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38803031) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 17081 + ... + 19218.

It is an arithmetic number, because the mean of its divisors is an integer number (9710250).

Almost surely, 2^38803631 is an apocalyptic number.

38803631 is a deficient number, since it is larger than the sum of its proper divisors (37369).

38803631 is a wasteful number, since it uses less digits than its factorization.

38803631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37368.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 38803631 is about 6229.2560551000. The cubic root of 38803631 is about 338.5510164295.

The spelling of 38803631 in words is "thirty-eight million, eight hundred three thousand, six hundred thirty-one".