997388350 has 24 divisors (see below), whose sum is σ = 2120163408. Its totient is φ = 341961600.

The previous prime is 997388339. The next prime is 997388377. The reversal of 997388350 is 53883799.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

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, 1424491 + ... + 1425190.

It is an arithmetic number, because the mean of its divisors is an integer number (88340142).

Almost surely, 2^997388350 is an apocalyptic number.

997388350 is an abundant number, since it is smaller than the sum of its proper divisors (1122775058).

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

997388350 is a wasteful number, since it uses less digits than its factorization.

997388350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2849700 (or 2849695 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 52.

The square root of 997388350 is about 31581.4557929175. The cubic root of 997388350 is about 999.1286910412.

The spelling of 997388350 in words is "nine hundred ninety-seven million, three hundred eighty-eight thousand, three hundred fifty".