3664899 has 16 divisors (see below), whose sum is σ = 6205440. Its totient is φ = 2094120.

The previous prime is 3664883. The next prime is 3664901. The reversal of 3664899 is 9984663.

It is not a de Polignac number, because 3664899 - 2⁴ = 3664883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3664879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9507 + ... + 9884.

It is an arithmetic number, because the mean of its divisors is an integer number (387840).

Almost surely, 2^3664899 is an apocalyptic number.

3664899 is a deficient number, since it is larger than the sum of its proper divisors (2540541).

3664899 is a wasteful number, since it uses less digits than its factorization.

3664899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19407 (or 19401 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 3664899 is about 1914.3925929652. The cubic root of 3664899 is about 154.1773831687.

The spelling of 3664899 in words is "three million, six hundred sixty-four thousand, eight hundred ninety-nine".