3975394 has 4 divisors (see below), whose sum is σ = 5963094. Its totient is φ = 1987696.

The previous prime is 3975383. The next prime is 3975437. The reversal of 3975394 is 4935793.

3975394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3948169 + 27225 = 1987^2 + 165^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 993847 + ... + 993850.

Almost surely, 2^3975394 is an apocalyptic number.

3975394 is a deficient number, since it is larger than the sum of its proper divisors (1987700).

3975394 is a wasteful number, since it uses less digits than its factorization.

3975394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987699.

The product of its digits is 102060, while the sum is 40.

The square root of 3975394 is about 1993.8390105523. The cubic root of 3975394 is about 158.4139388900.

The spelling of 3975394 in words is "three million, nine hundred seventy-five thousand, three hundred ninety-four".