1597596 has 144 divisors (see below), whose sum is σ = 5362560. Its totient is φ = 362880.

The previous prime is 1597567. The next prime is 1597597. The reversal of 1597596 is 6957951.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1597597) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 84075 + ... + 84093.

It is an arithmetic number, because the mean of its divisors is an integer number (37240).

2^1597596 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1597596, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2681280).

1597596 is an abundant number, since it is smaller than the sum of its proper divisors (3764964).

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

1597596 is a wasteful number, since it uses less digits than its factorization.

1597596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64 (or 55 counting only the distinct ones).

The product of its digits is 85050, while the sum is 42.

The square root of 1597596 is about 1263.9604424190. The cubic root of 1597596 is about 116.9021023443.

The spelling of 1597596 in words is "one million, five hundred ninety-seven thousand, five hundred ninety-six".