1397598 has 16 divisors (see below), whose sum is σ = 2822160. Its totient is φ = 461376.

The previous prime is 1397581. The next prime is 1397603. The reversal of 1397598 is 8957931.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 415 + ... + 1722.

It is an arithmetic number, because the mean of its divisors is an integer number (176385).

2^1397598 is an apocalyptic number.

1397598 is an abundant number, since it is smaller than the sum of its proper divisors (1424562).

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

1397598 is a wasteful number, since it uses less digits than its factorization.

1397598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2251.

The product of its digits is 68040, while the sum is 42.

The square root of 1397598 is about 1182.2004906106. The cubic root of 1397598 is about 111.8048792304.

The spelling of 1397598 in words is "one million, three hundred ninety-seven thousand, five hundred ninety-eight".