1983970892 has 24 divisors (see below), whose sum is σ = 3673942272. Its totient is φ = 935488400.

The previous prime is 1983970883. The next prime is 1983970931. The reversal of 1983970892 is 2980793891.

It is a super-2 number, since 2×1983970892² = 7872281000606551328, which contains 22 as substring.

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, 145334 + ... + 158397.

It is an arithmetic number, because the mean of its divisors is an integer number (153080928).

Almost surely, 2^1983970892 is an apocalyptic number.

It is an amenable number.

1983970892 is a deficient number, since it is larger than the sum of its proper divisors (1689971380).

1983970892 is a wasteful number, since it uses less digits than its factorization.

1983970892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303829 (or 303827 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 56.

The square root of 1983970892 is about 44541.7881544960. The cubic root of 1983970892 is about 1256.5461158117.

The spelling of 1983970892 in words is "one billion, nine hundred eighty-three million, nine hundred seventy thousand, eight hundred ninety-two".