3664949 has 8 divisors (see below), whose sum is σ = 3810240. Its totient is φ = 3522400.

The previous prime is 3664943. The next prime is 3664957. The reversal of 3664949 is 9494663.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3664949 - 2⁸ = 3664693 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3664943) 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, 2282 + ... + 3540.

It is an arithmetic number, because the mean of its divisors is an integer number (476280).

Almost surely, 2^3664949 is an apocalyptic number.

It is an amenable number.

3664949 is a deficient number, since it is larger than the sum of its proper divisors (145291).

3664949 is a wasteful number, since it uses less digits than its factorization.

3664949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371.

The product of its digits is 139968, while the sum is 41.

The square root of 3664949 is about 1914.4056518930. The cubic root of 3664949 is about 154.1780843098.

The spelling of 3664949 in words is "three million, six hundred sixty-four thousand, nine hundred forty-nine".