3664019 has 4 divisors (see below), whose sum is σ = 3699696. Its totient is φ = 3628344.

The previous prime is 3664013. The next prime is 3664033. The reversal of 3664019 is 9104663.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9104663 = 977 ⋅9319.

It is a cyclic number.

It is not a de Polignac number, because 3664019 - 2⁸ = 3663763 is a prime.

It is a super-2 number, since 2×3664019² = 26850070464722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3663982 and 3664000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3664013) 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 3 ways as a sum of consecutive naturals, for example, 17684 + ... + 17889.

It is an arithmetic number, because the mean of its divisors is an integer number (924924).

Almost surely, 2^3664019 is an apocalyptic number.

3664019 is a deficient number, since it is larger than the sum of its proper divisors (35677).

3664019 is a wasteful number, since it uses less digits than its factorization.

3664019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35676.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 3664019 is about 1914.1627412527. The cubic root of 3664019 is about 154.1650420412.

The spelling of 3664019 in words is "three million, six hundred sixty-four thousand, nineteen".