897240995 has 8 divisors (see below), whose sum is σ = 1230501984. Its totient is φ = 615250944.

The previous prime is 897240991. The next prime is 897241001. The reversal of 897240995 is 599042798.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 897240995 - 2² = 897240991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (897240991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12817694 + ... + 12817763.

It is an arithmetic number, because the mean of its divisors is an integer number (153812748).

Almost surely, 2^897240995 is an apocalyptic number.

897240995 is a deficient number, since it is larger than the sum of its proper divisors (333260989).

897240995 is a wasteful number, since it uses less digits than its factorization.

897240995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25635469.

The product of its (nonzero) digits is 1632960, while the sum is 53.

The square root of 897240995 is about 29953.9812879691. The cubic root of 897240995 is about 964.5017858321.

The spelling of 897240995 in words is "eight hundred ninety-seven million, two hundred forty thousand, nine hundred ninety-five".