3954169 has 4 divisors (see below), whose sum is σ = 3962020. Its totient is φ = 3946320.

The previous prime is 3954131. The next prime is 3954199. The reversal of 3954169 is 9614593.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9614593 = 2837 ⋅3389.

It can be written as a sum of positive squares in 2 ways, for example, as 1658944 + 2295225 = 1288^2 + 1515^2 .

It is a cyclic number.

It is not a de Polignac number, because 3954169 - 2¹¹ = 3952121 is a prime.

It is a super-2 number, since 2×3954169² = 31270904961122, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3954199) 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, 3114 + ... + 4195.

It is an arithmetic number, because the mean of its divisors is an integer number (990505).

Almost surely, 2^3954169 is an apocalyptic number.

It is an amenable number.

3954169 is a deficient number, since it is larger than the sum of its proper divisors (7851).

3954169 is an equidigital number, since it uses as much as digits as its factorization.

3954169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7850.

The product of its digits is 29160, while the sum is 37.

The square root of 3954169 is about 1988.5092406122. The cubic root of 3954169 is about 158.1315067078.

The spelling of 3954169 in words is "three million, nine hundred fifty-four thousand, one hundred sixty-nine".