9976440 has 32 divisors (see below), whose sum is σ = 29929680. Its totient is φ = 2660352.

The previous prime is 9976429. The next prime is 9976453. The reversal of 9976440 is 446799.

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41449 + ... + 41688.

Almost surely, 2^9976440 is an apocalyptic number.

It is an amenable number.

9976440 is an abundant number, since it is smaller than the sum of its proper divisors (19953240).

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

9976440 is a wasteful number, since it uses less digits than its factorization.

9976440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83151 (or 83147 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 9976440 is about 3158.5503003752. The cubic root of 9976440 is about 215.2741410169.

The spelling of 9976440 in words is "nine million, nine hundred seventy-six thousand, four hundred forty".