1164885 has 8 divisors (see below), whose sum is σ = 1863840. Its totient is φ = 621264.

The previous prime is 1164869. The next prime is 1164899. The reversal of 1164885 is 5884611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1164885 - 2⁴ = 1164869 is a prime.

1164885 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38815 + ... + 38844.

It is an arithmetic number, because the mean of its divisors is an integer number (232980).

2^1164885 is an apocalyptic number.

1164885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1164885 is a deficient number, since it is larger than the sum of its proper divisors (698955).

1164885 is an equidigital number, since it uses as much as digits as its factorization.

1164885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77667.

The product of its digits is 7680, while the sum is 33.

The square root of 1164885 is about 1079.2983832101. The cubic root of 1164885 is about 105.2190438616.

The spelling of 1164885 in words is "one million, one hundred sixty-four thousand, eight hundred eighty-five".