1165964 has 6 divisors (see below), whose sum is σ = 2040444. Its totient is φ = 582980.

The previous prime is 1165951. The next prime is 1165991. The reversal of 1165964 is 4695611.

It is a self number, because there is not a number n which added to its sum of digits gives 1165964.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145742 + ... + 145749.

It is an arithmetic number, because the mean of its divisors is an integer number (340074).

2^1165964 is an apocalyptic number.

It is an amenable number.

1165964 is a deficient number, since it is larger than the sum of its proper divisors (874480).

1165964 is a wasteful number, since it uses less digits than its factorization.

1165964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291495 (or 291493 counting only the distinct ones).

The product of its digits is 6480, while the sum is 32.

The square root of 1165964 is about 1079.7981292816. The cubic root of 1165964 is about 105.2515209767.

The spelling of 1165964 in words is "one million, one hundred sixty-five thousand, nine hundred sixty-four".