997369512 has 32 divisors (see below), whose sum is σ = 2535688800. Its totient is φ = 326821184.

The previous prime is 997369463. The next prime is 997369519. The reversal of 997369512 is 215963799.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (997369519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350763 + ... + 353594.

It is an arithmetic number, because the mean of its divisors is an integer number (79240275).

Almost surely, 2^997369512 is an apocalyptic number.

It is an amenable number.

997369512 is an abundant number, since it is smaller than the sum of its proper divisors (1538319288).

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

997369512 is a wasteful number, since it uses less digits than its factorization.

997369512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704425 (or 704421 counting only the distinct ones).

The product of its digits is 918540, while the sum is 51.

The square root of 997369512 is about 31581.1575468665. The cubic root of 997369512 is about 999.1224007115.

The spelling of 997369512 in words is "nine hundred ninety-seven million, three hundred sixty-nine thousand, five hundred twelve".