897498 has 48 divisors (see below), whose sum is σ = 2358720. Its totient is φ = 240768.

The previous prime is 897497. The next prime is 897499. The reversal of 897498 is 894798.

It is an interprime number because it is at equal distance from previous prime (897497) and next prime (897499).

Its product of digits (145152) is a multiple of the sum of its prime divisors (448).

It is not an unprimeable number, because it can be changed into a prime (897497) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1933 + ... + 2351.

It is an arithmetic number, because the mean of its divisors is an integer number (49140).

2⁸⁹⁷⁴⁹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 897498, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1179360).

897498 is an abundant number, since it is smaller than the sum of its proper divisors (1461222).

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

897498 is a wasteful number, since it uses less digits than its factorization.

897498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451 (or 448 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 897498 is about 947.3637105146. The cubic root of 897498 is about 96.4593867417.

The spelling of 897498 in words is "eight hundred ninety-seven thousand, four hundred ninety-eight".