993696976 has 30 divisors (see below), whose sum is σ = 1971161970. Its totient is φ = 485279424.

The previous prime is 993696973. The next prime is 993696989. The reversal of 993696976 is 679696399.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 990738576 + 2958400 = 31476^2 + 1720^2 .

It is a super-2 number, since 2×993696976² = 1974867360223089152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (993696973) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12790 + ... + 46378.

It is an arithmetic number, because the mean of its divisors is an integer number (65705399).

Almost surely, 2^993696976 is an apocalyptic number.

It is an amenable number.

993696976 is a deficient number, since it is larger than the sum of its proper divisors (977464994).

993696976 is a wasteful number, since it uses less digits than its factorization.

993696976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33683 (or 33634 counting only the distinct ones).

The product of its digits is 29760696, while the sum is 64.

The square root of 993696976 is about 31522.9595057317. The cubic root of 993696976 is about 997.8945622429.

The spelling of 993696976 in words is "nine hundred ninety-three million, six hundred ninety-six thousand, nine hundred seventy-six".