11666984 has 32 divisors (see below), whose sum is σ = 25178880. Its totient is φ = 4964544.

The previous prime is 11666983. The next prime is 11666987. The reversal of 11666984 is 48966611.

It is a super-2 number, since 2×11666984² = 272237031312512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11666983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8129 + ... + 9455.

It is an arithmetic number, because the mean of its divisors is an integer number (786840).

Almost surely, 2^11666984 is an apocalyptic number.

11666984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11666984 is an abundant number, since it is smaller than the sum of its proper divisors (13511896).

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

11666984 is a wasteful number, since it uses less digits than its factorization.

11666984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497 (or 1493 counting only the distinct ones).

The product of its digits is 62208, while the sum is 41.

The square root of 11666984 is about 3415.6967078475. The cubic root of 11666984 is about 226.8051268610.

The spelling of 11666984 in words is "eleven million, six hundred sixty-six thousand, nine hundred eighty-four".