1983964948 has 12 divisors (see below), whose sum is σ = 3967929952. Its totient is φ = 850270680.

The previous prime is 1983964919. The next prime is 1983964951. The reversal of 1983964948 is 8494693891.

1983964948 is an admirable number.

It is a super-2 number, since 2×1983964948² = 7872233829785285408, 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 3 ways as a sum of consecutive naturals, for example, 35427918 + ... + 35427973.

Almost surely, 2^1983964948 is an apocalyptic number.

It is an amenable number.

1983964948 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1983964948 is a wasteful number, since it uses less digits than its factorization.

1983964948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70855902 (or 70855900 counting only the distinct ones).

The product of its digits is 13436928, while the sum is 61.

The square root of 1983964948 is about 44541.7214305869. The cubic root of 1983964948 is about 1256.5448609348.

The spelling of 1983964948 in words is "one billion, nine hundred eighty-three million, nine hundred sixty-four thousand, nine hundred forty-eight".