3564949 has 4 divisors (see below), whose sum is σ = 3586464. Its totient is φ = 3543436.

The previous prime is 3564943. The next prime is 3564961. The reversal of 3564949 is 9494653.

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 3564949 - 2⁹ = 3564437 is a prime.

It is a super-2 number, since 2×3564949² = 25417722745202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3564943) 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, 10507 + ... + 10840.

It is an arithmetic number, because the mean of its divisors is an integer number (896616).

Almost surely, 2^3564949 is an apocalyptic number.

It is an amenable number.

3564949 is a deficient number, since it is larger than the sum of its proper divisors (21515).

3564949 is a wasteful number, since it uses less digits than its factorization.

3564949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21514.

The product of its digits is 116640, while the sum is 40.

The square root of 3564949 is about 1888.1072533095. The cubic root of 3564949 is about 152.7628576014.

The spelling of 3564949 in words is "three million, five hundred sixty-four thousand, nine hundred forty-nine".