3564387 has 6 divisors (see below), whose sum is σ = 5148572. Its totient is φ = 2376252.

The previous prime is 3564383. The next prime is 3564389. The reversal of 3564387 is 7834653.

It is a happy number.

3564387 is a `hidden beast` number, since 3 + 5 + 643 + 8 + 7 = 666.

It is not a de Polignac number, because 3564387 - 2² = 3564383 is a prime.

It is a Duffinian number.

3564387 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3564383) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 198013 + ... + 198030.

Almost surely, 2^3564387 is an apocalyptic number.

3564387 is a deficient number, since it is larger than the sum of its proper divisors (1584185).

3564387 is a wasteful number, since it uses less digits than its factorization.

3564387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396049 (or 396046 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 3564387 is about 1887.9584211523. The cubic root of 3564387 is about 152.7548296943.

The spelling of 3564387 in words is "three million, five hundred sixty-four thousand, three hundred eighty-seven".