3564681 has 4 divisors (see below), whose sum is σ = 4752912. Its totient is φ = 2376452.

The previous prime is 3564677. The next prime is 3564683. The reversal of 3564681 is 1864653.

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 not a de Polignac number, because 3564681 - 2² = 3564677 is a prime.

It is a super-2 number, since 2×3564681² = 25413901263522, which contains 22 as substring.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (3564683) 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, 594111 + ... + 594116.

It is an arithmetic number, because the mean of its divisors is an integer number (1188228).

Almost surely, 2^3564681 is an apocalyptic number.

It is an amenable number.

3564681 is a deficient number, since it is larger than the sum of its proper divisors (1188231).

3564681 is a wasteful number, since it uses less digits than its factorization.

3564681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188230.

The product of its digits is 17280, while the sum is 33.

The square root of 3564681 is about 1888.0362814311. The cubic root of 3564681 is about 152.7590294520.

The spelling of 3564681 in words is "three million, five hundred sixty-four thousand, six hundred eighty-one".