997272604 has 12 divisors (see below), whose sum is σ = 1801524928. Its totient is φ = 482551200.

The previous prime is 997272583. The next prime is 997272607. The reversal of 997272604 is 406272799.

It is a happy number.

997272604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×997272604³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997272607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4021137 + ... + 4021384.

Almost surely, 2^997272604 is an apocalyptic number.

It is an amenable number.

997272604 is a deficient number, since it is larger than the sum of its proper divisors (804252324).

997272604 is a wasteful number, since it uses less digits than its factorization.

997272604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8042556 (or 8042554 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 997272604 is about 31579.6232403111. The cubic root of 997272604 is about 999.0900402244.

The spelling of 997272604 in words is "nine hundred ninety-seven million, two hundred seventy-two thousand, six hundred four".