1983964734 has 24 divisors (see below), whose sum is σ = 4305581280. Its totient is φ = 660246048.

The previous prime is 1983964729. The next prime is 1983964757. The reversal of 1983964734 is 4374693891.

It is a happy number.

1983964734 is a `hidden beast` number, since 1 + 9 + 83 + 96 + 473 + 4 = 666.

1983964734 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1983964734² = 7872232131511381512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78214 + ... + 100425.

It is an arithmetic number, because the mean of its divisors is an integer number (179399220).

Almost surely, 2^1983964734 is an apocalyptic number.

1983964734 is an abundant number, since it is smaller than the sum of its proper divisors (2321616546).

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

1983964734 is a wasteful number, since it uses less digits than its factorization.

1983964734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179264 (or 179261 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The square root of 1983964734 is about 44541.7190283447. The cubic root of 1983964734 is about 1256.5448157559.

The spelling of 1983964734 in words is "one billion, nine hundred eighty-three million, nine hundred sixty-four thousand, seven hundred thirty-four".