3652569 has 12 divisors (see below), whose sum is σ = 5586516. Its totient is φ = 2291712.

The previous prime is 3652559. The next prime is 3652573. The reversal of 3652569 is 9652563.

It can be written as a sum of positive squares in 2 ways, for example, as 1587600 + 2064969 = 1260^2 + 1437^2 .

It is not a de Polignac number, because 3652569 - 2⁴ = 3652553 is a prime.

It is a super-2 number, since 2×3652569² = 26682520599522, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (3652559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11784 + ... + 12089.

It is an arithmetic number, because the mean of its divisors is an integer number (465543).

Almost surely, 2^3652569 is an apocalyptic number.

It is an amenable number.

3652569 is a deficient number, since it is larger than the sum of its proper divisors (1933947).

3652569 is a wasteful number, since it uses less digits than its factorization.

3652569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23896 (or 23893 counting only the distinct ones).

The product of its digits is 48600, while the sum is 36.

The square root of 3652569 is about 1911.1695372206. The cubic root of 3652569 is about 154.0042867194.

The spelling of 3652569 in words is "three million, six hundred fifty-two thousand, five hundred sixty-nine".