3640795 has 16 divisors (see below), whose sum is σ = 4580352. Its totient is φ = 2774880.

The previous prime is 3640789. The next prime is 3640801. The reversal of 3640795 is 5970463.

It is an interprime number because it is at equal distance from previous prime (3640789) and next prime (3640801).

It is not a de Polignac number, because 3640795 - 2¹⁹ = 3116507 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3640795.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12724 + ... + 13006.

It is an arithmetic number, because the mean of its divisors is an integer number (286272).

Almost surely, 2^3640795 is an apocalyptic number.

3640795 is a deficient number, since it is larger than the sum of its proper divisors (939557).

3640795 is a wasteful number, since it uses less digits than its factorization.

3640795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 3640795 is about 1908.0867380704. The cubic root of 3640795 is about 153.8386317797.

The spelling of 3640795 in words is "three million, six hundred forty thousand, seven hundred ninety-five".