38217980 has 12 divisors (see below), whose sum is σ = 80257800. Its totient is φ = 15287184.

The previous prime is 38217961. The next prime is 38218007. The reversal of 38217980 is 8971283.

38217980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×38217980² = 2921227990560800, which contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 955430 + ... + 955469.

It is an arithmetic number, because the mean of its divisors is an integer number (6688150).

Almost surely, 2^38217980 is an apocalyptic number.

It is an amenable number.

38217980 is an abundant number, since it is smaller than the sum of its proper divisors (42039820).

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

38217980 is a wasteful number, since it uses less digits than its factorization.

38217980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1910908 (or 1910906 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 38217980 is about 6182.0692328702. The cubic root of 38217980 is about 336.8391604817.

The spelling of 38217980 in words is "thirty-eight million, two hundred seventeen thousand, nine hundred eighty".