3645395 has 16 divisors (see below), whose sum is σ = 4989600. Its totient is φ = 2532864.

The previous prime is 3645391. The next prime is 3645407. The reversal of 3645395 is 5935463.

It is not a de Polignac number, because 3645395 - 2² = 3645391 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3645391) 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, 545 + ... + 2754.

It is an arithmetic number, because the mean of its divisors is an integer number (311850).

Almost surely, 2^3645395 is an apocalyptic number.

3645395 is a deficient number, since it is larger than the sum of its proper divisors (1344205).

3645395 is a wasteful number, since it uses less digits than its factorization.

3645395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3334.

The product of its digits is 48600, while the sum is 35.

The square root of 3645395 is about 1909.2917535044. The cubic root of 3645395 is about 153.9033941812.

The spelling of 3645395 in words is "three million, six hundred forty-five thousand, three hundred ninety-five".