38406879 has 48 divisors (see below), whose sum is σ = 66929408. Its totient is φ = 21555072.

The previous prime is 38406763. The next prime is 38406883. The reversal of 38406879 is 97860483.

It is a happy number.

38406879 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 38406879 - 2⁷ = 38406751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38406899) 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 47 ways as a sum of consecutive naturals, for example, 113799 + ... + 114135.

Almost surely, 2^38406879 is an apocalyptic number.

38406879 is a deficient number, since it is larger than the sum of its proper divisors (28522529).

38406879 is an equidigital number, since it uses as much as digits as its factorization.

38406879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426 (or 414 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 38406879 is about 6197.3283760020. The cubic root of 38406879 is about 337.3932106585.

The spelling of 38406879 in words is "thirty-eight million, four hundred six thousand, eight hundred seventy-nine".