3664887 has 16 divisors (see below), whose sum is σ = 5076192. Its totient is φ = 2350080.

The previous prime is 3664883. The next prime is 3664901. The reversal of 3664887 is 7884663.

It is not a de Polignac number, because 3664887 - 2² = 3664883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3664883) 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, 15087 + ... + 15327.

It is an arithmetic number, because the mean of its divisors is an integer number (317262).

Almost surely, 2^3664887 is an apocalyptic number.

3664887 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

3664887 is a deficient number, since it is larger than the sum of its proper divisors (1411305).

3664887 is a wasteful number, since it uses less digits than its factorization.

3664887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418.

The product of its digits is 193536, while the sum is 42.

The square root of 3664887 is about 1914.3894588093. The cubic root of 3664887 is about 154.1772148939.

It can be divided in two parts, 366 and 4887, that added together give a triangular number (5253 = T₁₀₂).

The spelling of 3664887 in words is "three million, six hundred sixty-four thousand, eight hundred eighty-seven".