3575978 has 16 divisors (see below), whose sum is σ = 6216000. Its totient is φ = 1511136.

The previous prime is 3575959. The next prime is 3575981. The reversal of 3575978 is 8795753.

It is a happy number.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 728 + ... + 2771.

It is an arithmetic number, because the mean of its divisors is an integer number (388500).

Almost surely, 2^3575978 is an apocalyptic number.

3575978 is a deficient number, since it is larger than the sum of its proper divisors (2640022).

3575978 is a wasteful number, since it uses less digits than its factorization.

3575978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3581.

The product of its digits is 264600, while the sum is 44.

The square root of 3575978 is about 1891.0256476315. The cubic root of 3575978 is about 152.9202312482.

The spelling of 3575978 in words is "three million, five hundred seventy-five thousand, nine hundred seventy-eight".