1597116 has 24 divisors (see below), whose sum is σ = 3946320. Its totient is φ = 500992.

The previous prime is 1597111. The next prime is 1597129. The reversal of 1597116 is 6117951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1597111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3711 + ... + 4118.

It is an arithmetic number, because the mean of its divisors is an integer number (164430).

2^1597116 is an apocalyptic number.

It is an amenable number.

1597116 is an abundant number, since it is smaller than the sum of its proper divisors (2349204).

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

1597116 is a wasteful number, since it uses less digits than its factorization.

1597116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7853 (or 7851 counting only the distinct ones).

The product of its digits is 1890, while the sum is 30.

The square root of 1597116 is about 1263.7705487944. The cubic root of 1597116 is about 116.8903933703.

The spelling of 1597116 in words is "one million, five hundred ninety-seven thousand, one hundred sixteen".