997327260 has 36 divisors (see below), whose sum is σ = 3025226568. Its totient is φ = 265953888.

The previous prime is 997327231. The next prime is 997327283. The reversal of 997327260 is 62723799.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2770174 + ... + 2770533.

Almost surely, 2^997327260 is an apocalyptic number.

997327260 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

997327260 is an abundant number, since it is smaller than the sum of its proper divisors (2027899308).

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

997327260 is a wasteful number, since it uses less digits than its factorization.

997327260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5540722 (or 5540717 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 997327260 is about 31580.4885966003. The cubic root of 997327260 is about 999.1082917594.

The spelling of 997327260 in words is "nine hundred ninety-seven million, three hundred twenty-seven thousand, two hundred sixty".