3564040 has 16 divisors (see below), whose sum is σ = 8019180. Its totient is φ = 1425600.

The previous prime is 3564019. The next prime is 3564049. The reversal of 3564040 is 404653.

It can be written as a sum of positive squares in 2 ways, for example, as 3048516 + 515524 = 1746^2 + 718^2 .

It is a super-2 number, since 2×3564040² = 25404762243200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3564049) 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, 44511 + ... + 44590.

Almost surely, 2^3564040 is an apocalyptic number.

It is an amenable number.

3564040 is an abundant number, since it is smaller than the sum of its proper divisors (4455140).

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

3564040 is a wasteful number, since it uses less digits than its factorization.

3564040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89112 (or 89108 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 3564040 is about 1887.8665207053. The cubic root of 3564040 is about 152.7498725403.

Adding to 3564040 its reverse (404653), we get a palindrome (3968693).

The spelling of 3564040 in words is "three million, five hundred sixty-four thousand, forty".