1597964 has 6 divisors (see below), whose sum is σ = 2796444. Its totient is φ = 798980.

The previous prime is 1597961. The next prime is 1597969. The reversal of 1597964 is 4697951.

It is not an unprimeable number, because it can be changed into a prime (1597961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199742 + ... + 199749.

It is an arithmetic number, because the mean of its divisors is an integer number (466074).

2^1597964 is an apocalyptic number.

It is an amenable number.

1597964 is a deficient number, since it is larger than the sum of its proper divisors (1198480).

1597964 is a wasteful number, since it uses less digits than its factorization.

1597964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399495 (or 399493 counting only the distinct ones).

The product of its digits is 68040, while the sum is 41.

The square root of 1597964 is about 1264.1060082129. The cubic root of 1597964 is about 116.9110776361.

It can be divided in two parts, 15 and 97964, that added together give a palindrome (97979).

The spelling of 1597964 in words is "one million, five hundred ninety-seven thousand, nine hundred sixty-four".