1080664 has 16 divisors (see below), whose sum is σ = 2182320. Its totient is φ = 498720.

The previous prime is 1080661. The next prime is 1080679. The reversal of 1080664 is 4660801.

1080664 = T₈₉ + T₉₀ + ... + T₁₉₂.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5092 + ... + 5299.

It is an arithmetic number, because the mean of its divisors is an integer number (136395).

2^1080664 is an apocalyptic number.

It is an amenable number.

1080664 is an abundant number, since it is smaller than the sum of its proper divisors (1101656).

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

1080664 is a wasteful number, since it uses less digits than its factorization.

1080664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10410 (or 10406 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1080664 is about 1039.5499026021. The cubic root of 1080664 is about 102.6195788639.

The spelling of 1080664 in words is "one million, eighty thousand, six hundred sixty-four".