3664519 has 2 divisors, whose sum is σ = 3664520. Its totient is φ = 3664518.

The previous prime is 3664499. The next prime is 3664547. The reversal of 3664519 is 9154663.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3664519 - 2⁵ = 3664487 is a prime.

It is a super-2 number, since 2×3664519² = 26857399002722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3664319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1832259 + 1832260.

It is an arithmetic number, because the mean of its divisors is an integer number (1832260).

Almost surely, 2^3664519 is an apocalyptic number.

3664519 is a deficient number, since it is larger than the sum of its proper divisors (1).

3664519 is an equidigital number, since it uses as much as digits as its factorization.

3664519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 34.

The square root of 3664519 is about 1914.2933422023. The cubic root of 3664519 is about 154.1720542878.

The spelling of 3664519 in words is "three million, six hundred sixty-four thousand, five hundred nineteen".