997693952 has 40 divisors (see below), whose sum is σ = 2098377600. Its totient is φ = 472587264.

The previous prime is 997693903. The next prime is 997693973. The reversal of 997693952 is 259396799.

997693952 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 997693891 and 997693900.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41552 + ... + 61007.

It is an arithmetic number, because the mean of its divisors is an integer number (52459440).

Almost surely, 2^997693952 is an apocalyptic number.

It is an amenable number.

997693952 is an abundant number, since it is smaller than the sum of its proper divisors (1100683648).

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

997693952 is a wasteful number, since it uses less digits than its factorization.

997693952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102596 (or 102580 counting only the distinct ones).

The product of its digits is 8266860, while the sum is 59.

The square root of 997693952 is about 31586.2937363661. The cubic root of 997693952 is about 999.2307257021.

The spelling of 997693952 in words is "nine hundred ninety-seven million, six hundred ninety-three thousand, nine hundred fifty-two".