3640052 has 12 divisors (see below), whose sum is σ = 6860196. Its totient is φ = 1680000.

The previous prime is 3640037. The next prime is 3640061. The reversal of 3640052 is 2500463.

It can be written as a sum of positive squares in 2 ways, for example, as 1860496 + 1779556 = 1364^2 + 1334^2 .

It is a congruent number.

It is an unprimeable number.

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, 34949 + ... + 35052.

It is an arithmetic number, because the mean of its divisors is an integer number (571683).

Almost surely, 2^3640052 is an apocalyptic number.

It is an amenable number.

3640052 is a deficient number, since it is larger than the sum of its proper divisors (3220144).

3640052 is a wasteful number, since it uses less digits than its factorization.

3640052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70018 (or 70016 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 3640052 is about 1907.8920304881. The cubic root of 3640052 is about 153.8281661277.

The spelling of 3640052 in words is "three million, six hundred forty thousand, fifty-two".