3939173 has 4 divisors (see below), whose sum is σ = 4501920. Its totient is φ = 3376428.

The previous prime is 3939149. The next prime is 3939181. The reversal of 3939173 is 3719393.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3939173 - 2¹⁸ = 3677029 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3939373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281363 + ... + 281376.

It is an arithmetic number, because the mean of its divisors is an integer number (1125480).

Almost surely, 2^3939173 is an apocalyptic number.

It is an amenable number.

3939173 is a deficient number, since it is larger than the sum of its proper divisors (562747).

3939173 is an equidigital number, since it uses as much as digits as its factorization.

3939173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562746.

The product of its digits is 15309, while the sum is 35.

The square root of 3939173 is about 1984.7349949049. The cubic root of 3939173 is about 157.9313513664.

The spelling of 3939173 in words is "three million, nine hundred thirty-nine thousand, one hundred seventy-three".