9773992 has 8 divisors (see below), whose sum is σ = 18326250. Its totient is φ = 4886992.

The previous prime is 9773989. The next prime is 9773993. The reversal of 9773992 is 2993779.

It can be written as a sum of positive squares in only one way, i.e., 9771876 + 2116 = 3126^2 + 46^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (9773993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610867 + ... + 610882.

Almost surely, 2^9773992 is an apocalyptic number.

It is an amenable number.

9773992 is a deficient number, since it is larger than the sum of its proper divisors (8552258).

9773992 is a wasteful number, since it uses less digits than its factorization.

9773992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221755 (or 1221751 counting only the distinct ones).

The product of its digits is 214326, while the sum is 46.

The square root of 9773992 is about 3126.3384333754. The cubic root of 9773992 is about 213.8080206822.

The spelling of 9773992 in words is "nine million, seven hundred seventy-three thousand, nine hundred ninety-two".