3318642 has 12 divisors (see below), whose sum is σ = 7190430. Its totient is φ = 1106208.

The previous prime is 3318631. The next prime is 3318671. The reversal of 3318642 is 2468133.

3318642 = 119² + 120² + ... + 226².

It is a happy number.

3318642 is a `hidden beast` number, since 3 + 3 + 18 + 642 = 666.

3318642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3316041 + 2601 = 1821^2 + 51^2 .

It is a super-2 number, since 2×3318642² = 22026769448328, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 92167 + ... + 92202.

Almost surely, 2^3318642 is an apocalyptic number.

3318642 is an abundant number, since it is smaller than the sum of its proper divisors (3871788).

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

3318642 is a wasteful number, since it uses less digits than its factorization.

3318642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184377 (or 184374 counting only the distinct ones).

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

The square root of 3318642 is about 1821.7140280516. The cubic root of 3318642 is about 149.1603756419.

The spelling of 3318642 in words is "three million, three hundred eighteen thousand, six hundred forty-two".