1597089 has 16 divisors (see below), whose sum is σ = 2369024. Its totient is φ = 950400.

The previous prime is 1597081. The next prime is 1597091. The reversal of 1597089 is 9807951.

It is a happy number.

It is not a de Polignac number, because 1597089 - 2³ = 1597081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1597081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 549 + ... + 1869.

It is an arithmetic number, because the mean of its divisors is an integer number (148064).

2^1597089 is an apocalyptic number.

It is an amenable number.

1597089 is a deficient number, since it is larger than the sum of its proper divisors (771935).

1597089 is a wasteful number, since it uses less digits than its factorization.

1597089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368.

The product of its (nonzero) digits is 22680, while the sum is 39.

The square root of 1597089 is about 1263.7598664303. The cubic root of 1597089 is about 116.8897346708.

The spelling of 1597089 in words is "one million, five hundred ninety-seven thousand, eighty-nine".