3664674 has 24 divisors (see below), whose sum is σ = 8551452. Its totient is φ = 1127520.

The previous prime is 3664657. The next prime is 3664679. The reversal of 3664674 is 4764663.

3664674 is a `hidden beast` number, since 3 + 6 + 646 + 7 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3583449 + 81225 = 1893^2 + 285^2 .

It is not an unprimeable number, because it can be changed into a prime (3664679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7597 + ... + 8064.

Almost surely, 2^3664674 is an apocalyptic number.

3664674 is an abundant number, since it is smaller than the sum of its proper divisors (4886778).

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

3664674 is a wasteful number, since it uses less digits than its factorization.

3664674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15682 (or 15679 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 3664674 is about 1914.3338266875. Note that the first 3 decimals coincide. The cubic root of 3664674 is about 154.1742279548.

The spelling of 3664674 in words is "three million, six hundred sixty-four thousand, six hundred seventy-four".