1164690 has 24 divisors (see below), whose sum is σ = 3028428. Its totient is φ = 310560.

The previous prime is 1164689. The next prime is 1164731. The reversal of 1164690 is 964611.

1164690 is a `hidden beast` number, since 11 + 646 + 9 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1159929 + 4761 = 1077^2 + 69^2 .

It is a super-2 number, since 2×1164690² = 2713005592200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6381 + ... + 6560.

2^1164690 is an apocalyptic number.

1164690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1164690 is an abundant number, since it is smaller than the sum of its proper divisors (1863738).

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

1164690 is a wasteful number, since it uses less digits than its factorization.

1164690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12954 (or 12951 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1164690 is about 1079.2080429648. The cubic root of 1164690 is about 105.2131723640.

The spelling of 1164690 in words is "one million, one hundred sixty-four thousand, six hundred ninety".