38977218 has 48 divisors (see below), whose sum is σ = 99852480. Its totient is φ = 10751328.

The previous prime is 38977139. The next prime is 38977223. The reversal of 38977218 is 81277983.

38977218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1680 + ... + 8987.

It is an arithmetic number, because the mean of its divisors is an integer number (2080260).

Almost surely, 2^38977218 is an apocalyptic number.

38977218 is an abundant number, since it is smaller than the sum of its proper divisors (60875262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38977218 is a wasteful number, since it uses less digits than its factorization.

38977218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10711 (or 10708 counting only the distinct ones).

The product of its digits is 169344, while the sum is 45.

The square root of 38977218 is about 6243.1737121435. The cubic root of 38977218 is about 339.0550984659.

The spelling of 38977218 in words is "thirty-eight million, nine hundred seventy-seven thousand, two hundred eighteen".