3975823 has 4 divisors (see below), whose sum is σ = 4068328. Its totient is φ = 3883320.

The previous prime is 3975791. The next prime is 3975827. The reversal of 3975823 is 3285793.

3975823 is nontrivially palindromic in base 4.

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

It is a cyclic number.

It is not a de Polignac number, because 3975823 - 2⁵ = 3975791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3975827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46188 + ... + 46273.

It is an arithmetic number, because the mean of its divisors is an integer number (1017082).

Almost surely, 2^3975823 is an apocalyptic number.

3975823 is a deficient number, since it is larger than the sum of its proper divisors (92505).

3975823 is an equidigital number, since it uses as much as digits as its factorization.

3975823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92504.

The product of its digits is 45360, while the sum is 37.

The square root of 3975823 is about 1993.9465890540. The cubic root of 3975823 is about 158.4196370368.

The spelling of 3975823 in words is "three million, nine hundred seventy-five thousand, eight hundred twenty-three".