3640652 has 24 divisors (see below), whose sum is σ = 6933024. Its totient is φ = 1665792.

The previous prime is 3640649. The next prime is 3640661. The reversal of 3640652 is 2560463.

It is a d-powerful number, because it can be written as 3 + 6⁵ + 4 + 0 + 6⁸ + 5⁹ + 2⁷ .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1793 + ... + 3239.

It is an arithmetic number, because the mean of its divisors is an integer number (288876).

Almost surely, 2^3640652 is an apocalyptic number.

It is an amenable number.

3640652 is a deficient number, since it is larger than the sum of its proper divisors (3292372).

3640652 is a wasteful number, since it uses less digits than its factorization.

3640652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505 (or 1503 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 3640652 is about 1908.0492656113. The cubic root of 3640652 is about 153.8366176397.

The spelling of 3640652 in words is "three million, six hundred forty thousand, six hundred fifty-two".