38680631 has 4 divisors (see below), whose sum is σ = 42197064. Its totient is φ = 35164200.

The previous prime is 38680601. The next prime is 38680633. The reversal of 38680631 is 13608683.

It is a happy number.

38680631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38680631 - 2⁶ = 38680567 is a prime.

It is a super-2 number, since 2×38680631² = 2992382429116322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38680591 and 38680600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38680633) 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 3 ways as a sum of consecutive naturals, for example, 1758200 + ... + 1758221.

It is an arithmetic number, because the mean of its divisors is an integer number (10549266).

Almost surely, 2^38680631 is an apocalyptic number.

38680631 is a deficient number, since it is larger than the sum of its proper divisors (3516433).

38680631 is a wasteful number, since it uses less digits than its factorization.

38680631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3516432.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 38680631 is about 6219.3754509597. The cubic root of 38680631 is about 338.1929240691.

The spelling of 38680631 in words is "thirty-eight million, six hundred eighty thousand, six hundred thirty-one".