1118664 has 32 divisors (see below), whose sum is σ = 3108000. Its totient is φ = 372816.

The previous prime is 1118659. The next prime is 1118713. The reversal of 1118664 is 4668111.

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 a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 2374 + ... + 2805.

It is an arithmetic number, because the mean of its divisors is an integer number (97125).

2^1118664 is an apocalyptic number.

It is an amenable number.

1118664 is an abundant number, since it is smaller than the sum of its proper divisors (1989336).

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

1118664 is a wasteful number, since it uses less digits than its factorization.

1118664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5194 (or 5184 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 1118664 is about 1057.6691354105. The cubic root of 1118664 is about 103.8085729162.

The spelling of 1118664 in words is "one million, one hundred eighteen thousand, six hundred sixty-four".