3564947 has 4 divisors (see below), whose sum is σ = 3575400. Its totient is φ = 3554496.

The previous prime is 3564943. The next prime is 3564961. The reversal of 3564947 is 7494653.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3564947 - 2² = 3564943 is a prime.

It is a super-2 number, since 2×3564947² = 25417694225618, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3564947.

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, 4697 + ... + 5402.

It is an arithmetic number, because the mean of its divisors is an integer number (893850).

Almost surely, 2^3564947 is an apocalyptic number.

3564947 is a deficient number, since it is larger than the sum of its proper divisors (10453).

3564947 is a wasteful number, since it uses less digits than its factorization.

3564947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10452.

The product of its digits is 90720, while the sum is 38.

The square root of 3564947 is about 1888.1067236785. The cubic root of 3564947 is about 152.7628290338.

The spelling of 3564947 in words is "three million, five hundred sixty-four thousand, nine hundred forty-seven".