1983801902 has 8 divisors (see below), whose sum is σ = 3006380496. Its totient is φ = 981675072.

The previous prime is 1983801881. The next prime is 1983801931. The reversal of 1983801902 is 2091083891.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1983801902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5112698 + ... + 5113085.

It is an arithmetic number, because the mean of its divisors is an integer number (375797562).

Almost surely, 2^1983801902 is an apocalyptic number.

1983801902 is a deficient number, since it is larger than the sum of its proper divisors (1022578594).

1983801902 is a wasteful number, since it uses less digits than its factorization.

1983801902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10225882.

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 1983801902 is about 44539.8911314341. The cubic root of 1983801902 is about 1256.5104382457.

The spelling of 1983801902 in words is "one billion, nine hundred eighty-three million, eight hundred one thousand, nine hundred two".