997276104 has 128 divisors (see below), whose sum is σ = 3181248000. Its totient is φ = 286286400.

The previous prime is 997276103. The next prime is 997276177. The reversal of 997276104 is 401672799.

997276104 is a `hidden beast` number, since 9 + 9 + 7 + 27 + 610 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 997276104.

It is not an unprimeable number, because it can be changed into a prime (997276103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34099 + ... + 56189.

It is an arithmetic number, because the mean of its divisors is an integer number (24853500).

Almost surely, 2^997276104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 997276104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1590624000).

997276104 is an abundant number, since it is smaller than the sum of its proper divisors (2183971896).

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

997276104 is a wasteful number, since it uses less digits than its factorization.

997276104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22136 (or 22126 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 997276104 is about 31579.6786557432. The cubic root of 997276104 is about 999.0912090158.

The spelling of 997276104 in words is "nine hundred ninety-seven million, two hundred seventy-six thousand, one hundred four".