3923141 has 4 divisors (see below), whose sum is σ = 4153932. Its totient is φ = 3692352.

The previous prime is 3923099. The next prime is 3923159. The reversal of 3923141 is 1413293.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1809025 + 2114116 = 1345^2 + 1454^2 .

It is a cyclic number.

It is not a de Polignac number, because 3923141 - 2⁶ = 3923077 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 (3923641) 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, 115370 + ... + 115403.

It is an arithmetic number, because the mean of its divisors is an integer number (1038483).

Almost surely, 2^3923141 is an apocalyptic number.

It is an amenable number.

3923141 is a deficient number, since it is larger than the sum of its proper divisors (230791).

3923141 is a wasteful number, since it uses less digits than its factorization.

3923141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230790.

The product of its digits is 648, while the sum is 23.

The square root of 3923141 is about 1980.6920507742. The cubic root of 3923141 is about 157.7168056450.

The spelling of 3923141 in words is "three million, nine hundred twenty-three thousand, one hundred forty-one".