1983966756 has 24 divisors (see below), whose sum is σ = 4630187520. Its totient is φ = 661189152.

The previous prime is 1983966697. The next prime is 1983966769. The reversal of 1983966756 is 6576693891.

It is a super-2 number, since 2×1983966756² = 7872248177826327072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1983966756.

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, 59350 + ... + 86546.

It is an arithmetic number, because the mean of its divisors is an integer number (192924480).

Almost surely, 2^1983966756 is an apocalyptic number.

It is an amenable number.

1983966756 is an abundant number, since it is smaller than the sum of its proper divisors (2646220764).

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

1983966756 is a wasteful number, since it uses less digits than its factorization.

1983966756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33283 (or 33281 counting only the distinct ones).

The product of its digits is 14696640, while the sum is 60.

The square root of 1983966756 is about 44541.7417261606. The cubic root of 1983966756 is about 1256.5452426339.

The spelling of 1983966756 in words is "one billion, nine hundred eighty-three million, nine hundred sixty-six thousand, seven hundred fifty-six".