3564972 has 30 divisors (see below), whose sum is σ = 9320388. Its totient is φ = 1188216.

The previous prime is 3564971. The next prime is 3564983. The reversal of 3564972 is 2794653.

3564972 is a `hidden beast` number, since 3 + 5 + 649 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is a d-powerful number, because it can be written as 3¹³ + 5⁹ + 6² + 4⁷ + 9³ + 7³ + 2⁵ .

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (3564971) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5178 + ... + 5825.

Almost surely, 2^3564972 is an apocalyptic number.

It is an amenable number.

3564972 is an abundant number, since it is smaller than the sum of its proper divisors (5755416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3564972 is a wasteful number, since it uses less digits than its factorization.

3564972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11019 (or 11008 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 3564972 is about 1888.1133440554. The cubic root of 3564972 is about 152.7631861277.

It can be divided in two parts, 35649 and 72, that added together give a square (35721 = 189²).

The spelling of 3564972 in words is "three million, five hundred sixty-four thousand, nine hundred seventy-two".