9976401 has 6 divisors (see below), whose sum is σ = 14410370. Its totient is φ = 6650928.

The previous prime is 9976381. The next prime is 9976409. The reversal of 9976401 is 1046799.

9976401 is a `hidden beast` number, since 9 + 9 + 7 + 640 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5875776 + 4100625 = 2424^2 + 2025^2 .

It is not a de Polignac number, because 9976401 - 2¹¹ = 9974353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9976409) 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, 554236 + ... + 554253.

Almost surely, 2^9976401 is an apocalyptic number.

It is an amenable number.

9976401 is a deficient number, since it is larger than the sum of its proper divisors (4433969).

9976401 is a wasteful number, since it uses less digits than its factorization.

9976401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108495 (or 1108492 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 9976401 is about 3158.5441266508. The cubic root of 9976401 is about 215.2738604993.

The spelling of 9976401 in words is "nine million, nine hundred seventy-six thousand, four hundred one".