9797994 has 24 divisors (see below), whose sum is σ = 21330660. Its totient is φ = 3250368.

The previous prime is 9797993. The next prime is 9797999. The reversal of 9797994 is 4997979.

9797994 = 82² + 83² + ... + 310².

It can be written as a sum of positive squares in 2 ways, for example, as 9381969 + 416025 = 3063^2 + 645^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 9797994.

It is not an unprimeable number, because it can be changed into a prime (9797993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2934 + ... + 5310.

Almost surely, 2^9797994 is an apocalyptic number.

9797994 is an abundant number, since it is smaller than the sum of its proper divisors (11532666).

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

9797994 is a wasteful number, since it uses less digits than its factorization.

9797994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2614 (or 2611 counting only the distinct ones).

The product of its digits is 1285956, while the sum is 54.

The square root of 9797994 is about 3130.1747555049. The cubic root of 9797994 is about 213.9828937909.

The spelling of 9797994 in words is "nine million, seven hundred ninety-seven thousand, nine hundred ninety-four".