1982800938 has 16 divisors (see below), whose sum is σ = 4049976960. Its totient is φ = 646871136.

The previous prime is 1982800927. The next prime is 1982800969. The reversal of 1982800938 is 8390082891.

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, 3515323 + ... + 3515886.

It is an arithmetic number, because the mean of its divisors is an integer number (253123560).

Almost surely, 2^1982800938 is an apocalyptic number.

1982800938 is an abundant number, since it is smaller than the sum of its proper divisors (2067176022).

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

1982800938 is a wasteful number, since it uses less digits than its factorization.

1982800938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7031261.

The product of its (nonzero) digits is 248832, while the sum is 48.

The square root of 1982800938 is about 44528.6530000628. The cubic root of 1982800938 is about 1256.2990708190.

The spelling of 1982800938 in words is "one billion, nine hundred eighty-two million, eight hundred thousand, nine hundred thirty-eight".