3975633 has 6 divisors (see below), whose sum is σ = 5742594. Its totient is φ = 2650416.

The previous prime is 3975599. The next prime is 3975649. The reversal of 3975633 is 3365793.

3975633 is a `hidden beast` number, since 3 + 97 + 563 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3968064 + 7569 = 1992^2 + 87^2 .

It is not a de Polignac number, because 3975633 - 2¹⁰ = 3974609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3970633) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 220860 + ... + 220877.

It is an arithmetic number, because the mean of its divisors is an integer number (957099).

Almost surely, 2^3975633 is an apocalyptic number.

It is an amenable number.

3975633 is a deficient number, since it is larger than the sum of its proper divisors (1766961).

3975633 is a wasteful number, since it uses less digits than its factorization.

3975633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441743 (or 441740 counting only the distinct ones).

The product of its digits is 51030, while the sum is 36.

The square root of 3975633 is about 1993.8989442798. The cubic root of 3975633 is about 158.4171134326.

The spelling of 3975633 in words is "three million, nine hundred seventy-five thousand, six hundred thirty-three".