2664612 has 18 divisors (see below), whose sum is σ = 6735638. Its totient is φ = 888192.

The previous prime is 2664601. The next prime is 2664643. The reversal of 2664612 is 2164662.

It is a happy number.

2664612 is a `hidden beast` number, since 2 + 6 + 646 + 12 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2643876 + 20736 = 1626^2 + 144^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×2664612² = 14200314221088, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36973 + ... + 37044.

2^2664612 is an apocalyptic number.

It is an amenable number.

2664612 is an abundant number, since it is smaller than the sum of its proper divisors (4071026).

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

2664612 is a wasteful number, since it uses less digits than its factorization.

2664612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74027 (or 74022 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 2664612 is about 1632.3639300107. The cubic root of 2664612 is about 138.6366300615.

The spelling of 2664612 in words is "two million, six hundred sixty-four thousand, six hundred twelve".