3644252 has 6 divisors (see below), whose sum is σ = 6377448. Its totient is φ = 1822124.

The previous prime is 3644237. The next prime is 3644279. The reversal of 3644252 is 2524463.

It is an Ulam number.

It is a d-powerful number, because it can be written as 3⁵ + 6⁸ + 4 + 4⁵ + 2¹¹ + 5⁹ + 2¹³ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 455528 + ... + 455535.

It is an arithmetic number, because the mean of its divisors is an integer number (1062908).

Almost surely, 2^3644252 is an apocalyptic number.

It is an amenable number.

3644252 is a deficient number, since it is larger than the sum of its proper divisors (2733196).

3644252 is a wasteful number, since it uses less digits than its factorization.

3644252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911067 (or 911065 counting only the distinct ones).

The product of its digits is 5760, while the sum is 26.

The square root of 3644252 is about 1908.9924043851. The cubic root of 3644252 is about 153.8873072214.

The spelling of 3644252 in words is "three million, six hundred forty-four thousand, two hundred fifty-two".