3652566 has 16 divisors (see below), whose sum is σ = 7503024. Its totient is φ = 1184544.

The previous prime is 3652559. The next prime is 3652573. The reversal of 3652566 is 6652563.

It is an interprime number because it is at equal distance from previous prime (3652559) and next prime (3652573).

It is a congruent number.

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, 8005 + ... + 8448.

It is an arithmetic number, because the mean of its divisors is an integer number (468939).

Almost surely, 2^3652566 is an apocalyptic number.

3652566 is an abundant number, since it is smaller than the sum of its proper divisors (3850458).

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

3652566 is a wasteful number, since it uses less digits than its factorization.

3652566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16495.

The product of its digits is 32400, while the sum is 33.

The square root of 3652566 is about 1911.1687523607. The cubic root of 3652566 is about 154.0042445561.

The spelling of 3652566 in words is "three million, six hundred fifty-two thousand, five hundred sixty-six".