862023980 has 24 divisors (see below), whose sum is σ = 1813075488. Its totient is φ = 344271488.

The previous prime is 862023971. The next prime is 862024027. The reversal of 862023980 is 89320268.

It is a happy 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, 20369 + ... + 46248.

It is an arithmetic number, because the mean of its divisors is an integer number (75544812).

Almost surely, 2^862023980 is an apocalyptic number.

It is an amenable number.

862023980 is an abundant number, since it is smaller than the sum of its proper divisors (951051508).

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

862023980 is a wasteful number, since it uses less digits than its factorization.

862023980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67273 (or 67271 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 862023980 is about 29360.2448899869. The cubic root of 862023980 is about 951.7139805857.

The spelling of 862023980 in words is "eight hundred sixty-two million, twenty-three thousand, nine hundred eighty".