3640552 has 32 divisors (see below), whose sum is σ = 7365600. Its totient is φ = 1681344.

The previous prime is 3640543. The next prime is 3640561. The reversal of 3640552 is 2550463.

It is an interprime number because it is at equal distance from previous prime (3640543) and next prime (3640561).

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, 6258 + ... + 6814.

It is an arithmetic number, because the mean of its divisors is an integer number (230175).

Almost surely, 2^3640552 is an apocalyptic number.

It is an amenable number.

3640552 is an abundant number, since it is smaller than the sum of its proper divisors (3725048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3640552 is a wasteful number, since it uses less digits than its factorization.

3640552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625 (or 621 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 3640552 is about 1908.0230606573. The cubic root of 3640552 is about 153.8352091188.

The spelling of 3640552 in words is "three million, six hundred forty thousand, five hundred fifty-two".