387921022 has 16 divisors (see below), whose sum is σ = 591926400. Its totient is φ = 190625688.

The previous prime is 387921019. The next prime is 387921041. The reversal of 387921022 is 220129783.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59479 + ... + 65677.

It is an arithmetic number, because the mean of its divisors is an integer number (36995400).

Almost surely, 2^387921022 is an apocalyptic number.

387921022 is a deficient number, since it is larger than the sum of its proper divisors (204005378).

387921022 is a wasteful number, since it uses less digits than its factorization.

387921022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6735.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 387921022 is about 19695.7107513286. The cubic root of 387921022 is about 729.3138119427.

The spelling of 387921022 in words is "three hundred eighty-seven million, nine hundred twenty-one thousand, twenty-two".