9970797 has 16 divisors (see below), whose sum is σ = 13977920. Its totient is φ = 6314112.

The previous prime is 9970787. The next prime is 9970811. The reversal of 9970797 is 7970799.

It is not a de Polignac number, because 9970797 - 2⁶ = 9970733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9970757) 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, 3729 + ... + 5817.

It is an arithmetic number, because the mean of its divisors is an integer number (873620).

Almost surely, 2^9970797 is an apocalyptic number.

It is an amenable number.

9970797 is a deficient number, since it is larger than the sum of its proper divisors (4007123).

9970797 is a wasteful number, since it uses less digits than its factorization.

9970797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2172.

The product of its (nonzero) digits is 250047, while the sum is 48.

The square root of 9970797 is about 3157.6568844635. The cubic root of 9970797 is about 215.2335446689.

The spelling of 9970797 in words is "nine million, nine hundred seventy thousand, seven hundred ninety-seven".