38421880 has 48 divisors (see below), whose sum is σ = 100568520. Its totient is φ = 13172544.

The previous prime is 38421841. The next prime is 38421893. The reversal of 38421880 is 8812483.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7842 + ... + 11761.

Almost surely, 2^38421880 is an apocalyptic number.

It is an amenable number.

38421880 is an abundant number, since it is smaller than the sum of its proper divisors (62146640).

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

38421880 is a wasteful number, since it uses less digits than its factorization.

38421880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19628 (or 19617 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 38421880 is about 6198.5385374296. The cubic root of 38421880 is about 337.4371314082.

The spelling of 38421880 in words is "thirty-eight million, four hundred twenty-one thousand, eight hundred eighty".