3900173 has 4 divisors (see below), whose sum is σ = 3912288. Its totient is φ = 3888060.

The previous prime is 3900167. The next prime is 3900199. The reversal of 3900173 is 3710093.

3900173 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3710093 = 1009 ⋅3677.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3900173 is a prime.

It is a super-2 number, since 2×3900173² = 30422698859858, which contains 22 as substring.

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 (3900473) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 5561 + ... + 6222.

It is an arithmetic number, because the mean of its divisors is an integer number (978072).

Almost surely, 2^3900173 is an apocalyptic number.

It is an amenable number.

3900173 is a deficient number, since it is larger than the sum of its proper divisors (12115).

3900173 is a wasteful number, since it uses less digits than its factorization.

3900173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12114.

The product of its (nonzero) digits is 567, while the sum is 23.

The square root of 3900173 is about 1974.8855663050. The cubic root of 3900173 is about 157.4084190863.

The spelling of 3900173 in words is "three million, nine hundred thousand, one hundred seventy-three".