38861982 has 12 divisors (see below), whose sum is σ = 84201000. Its totient is φ = 12953988.

The previous prime is 38861959. The next prime is 38862007. The reversal of 38861982 is 28916883.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1079482 + ... + 1079517.

It is an arithmetic number, because the mean of its divisors is an integer number (7016750).

Almost surely, 2^38861982 is an apocalyptic number.

38861982 is an abundant number, since it is smaller than the sum of its proper divisors (45339018).

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

38861982 is a wasteful number, since it uses less digits than its factorization.

38861982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159007 (or 2159004 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 38861982 is about 6233.9379207689. The cubic root of 38861982 is about 338.7206302519.

The spelling of 38861982 in words is "thirty-eight million, eight hundred sixty-one thousand, nine hundred eighty-two".