3644245 has 16 divisors (see below), whose sum is σ = 4810752. Its totient is φ = 2628160.

The previous prime is 3644237. The next prime is 3644279. The reversal of 3644245 is 5424463.

It is not a de Polignac number, because 3644245 - 2³ = 3644237 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 9324 + ... + 9706.

It is an arithmetic number, because the mean of its divisors is an integer number (300672).

Almost surely, 2^3644245 is an apocalyptic number.

It is an amenable number.

3644245 is a deficient number, since it is larger than the sum of its proper divisors (1166507).

3644245 is a wasteful number, since it uses less digits than its factorization.

3644245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572.

The product of its digits is 11520, while the sum is 28.

The square root of 3644245 is about 1908.9905709563. The cubic root of 3644245 is about 153.8872086907.

The spelling of 3644245 in words is "three million, six hundred forty-four thousand, two hundred forty-five".