3687569 has 4 divisors (see below), whose sum is σ = 3698544. Its totient is φ = 3676596.

The previous prime is 3687557. The next prime is 3687583. The reversal of 3687569 is 9657863.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3687569 is a prime.

It is a super-2 number, since 2×3687569² = 27196330259522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3687169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4967 + ... + 5660.

It is an arithmetic number, because the mean of its divisors is an integer number (924636).

Almost surely, 2^3687569 is an apocalyptic number.

It is an amenable number.

3687569 is a deficient number, since it is larger than the sum of its proper divisors (10975).

3687569 is a wasteful number, since it uses less digits than its factorization.

3687569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10974.

The product of its digits is 272160, while the sum is 44.

The square root of 3687569 is about 1920.3044029528. The cubic root of 3687569 is about 154.4946287621.

The spelling of 3687569 in words is "three million, six hundred eighty-seven thousand, five hundred sixty-nine".