3575840 has 24 divisors (see below), whose sum is σ = 8448300. Its totient is φ = 1430272.

The previous prime is 3575839. The next prime is 3575843. The reversal of 3575840 is 485753.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3341584 + 234256 = 1828^2 + 484^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 3575797 and 3575806.

It is not an unprimeable number, because it can be changed into a prime (3575843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11015 + ... + 11334.

Almost surely, 2^3575840 is an apocalyptic number.

It is an amenable number.

3575840 is an abundant number, since it is smaller than the sum of its proper divisors (4872460).

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

3575840 is a wasteful number, since it uses less digits than its factorization.

3575840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22364 (or 22356 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 3575840 is about 1890.9891591440. The cubic root of 3575840 is about 152.9182641161.

The spelling of 3575840 in words is "three million, five hundred seventy-five thousand, eight hundred forty".