897240000 has 140 divisors (see below), whose sum is σ = 2966881544. Its totient is φ = 239232000.

The previous prime is 897239999. The next prime is 897240013. The reversal of 897240000 is 42798.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 897240000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 116262 + ... + 123738.

Almost surely, 2^897240000 is an apocalyptic number.

897240000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 897240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1483440772).

897240000 is an abundant number, since it is smaller than the sum of its proper divisors (2069641544).

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

897240000 is an equidigital number, since it uses as much as digits as its factorization.

897240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7512 (or 7487 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 897240000 is about 29953.9646791539. The cubic root of 897240000 is about 964.5014293022.

Adding to 897240000 its reverse (42798), we get a palindrome (897282798).

The spelling of 897240000 in words is "eight hundred ninety-seven million, two hundred forty thousand".