997240600 has 24 divisors (see below), whose sum is σ = 2318584860. Its totient is φ = 398896160.

The previous prime is 997240571. The next prime is 997240609. The reversal of 997240600 is 6042799.

It is a self number, because there is not a number n which added to its sum of digits gives 997240600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997240609) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2492902 + ... + 2493301.

Almost surely, 2^997240600 is an apocalyptic number.

It is an amenable number.

997240600 is an abundant number, since it is smaller than the sum of its proper divisors (1321344260).

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

997240600 is a wasteful number, since it uses less digits than its factorization.

997240600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4986219 (or 4986210 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 997240600 is about 31579.1165170908. The cubic root of 997240600 is about 999.0793526686.

The spelling of 997240600 in words is "nine hundred ninety-seven million, two hundred forty thousand, six hundred".