9964977 has 16 divisors (see below), whose sum is σ = 14714112. Its totient is φ = 5947920.

The previous prime is 9964967. The next prime is 9964979. The reversal of 9964977 is 7794699.

It is not a de Polignac number, because 9964977 - 2⁴ = 9964961 is a prime.

It is a super-2 number, since 2×9964977² = 198601533221058, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9964979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43 + ... + 4464.

It is an arithmetic number, because the mean of its divisors is an integer number (919632).

Almost surely, 2^9964977 is an apocalyptic number.

It is an amenable number.

9964977 is a deficient number, since it is larger than the sum of its proper divisors (4749135).

9964977 is a wasteful number, since it uses less digits than its factorization.

9964977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4588.

The product of its digits is 857304, while the sum is 51.

The square root of 9964977 is about 3156.7351805307. The cubic root of 9964977 is about 215.1916589153.

The spelling of 9964977 in words is "nine million, nine hundred sixty-four thousand, nine hundred seventy-seven".