997749096 has 64 divisors (see below), whose sum is σ = 2533809600. Its totient is φ = 327360000.

The previous prime is 997749061. The next prime is 997749097. The reversal of 997749096 is 690947799.

It is not an unprimeable number, because it can be changed into a prime (997749097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 535206 + ... + 537066.

It is an arithmetic number, because the mean of its divisors is an integer number (39590775).

Almost surely, 2^997749096 is an apocalyptic number.

It is an amenable number.

997749096 is an abundant number, since it is smaller than the sum of its proper divisors (1536060504).

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

997749096 is a wasteful number, since it uses less digits than its factorization.

997749096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2210 (or 2206 counting only the distinct ones).

The product of its (nonzero) digits is 7715736, while the sum is 60.

The square root of 997749096 is about 31587.1666345685. The cubic root of 997749096 is about 999.2491350095.

The spelling of 997749096 in words is "nine hundred ninety-seven million, seven hundred forty-nine thousand, ninety-six".