3924131 has 4 divisors (see below), whose sum is σ = 3941952. Its totient is φ = 3906312.

The previous prime is 3924121. The next prime is 3924139. The reversal of 3924131 is 1314293.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1314293 = 587 ⋅2239.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3924131 is a prime.

It is a super-2 number, since 2×3924131² = 30797608210322, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 3924097 and 3924106.

It is not an unprimeable number, because it can be changed into a prime (3924139) 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, 8576 + ... + 9021.

It is an arithmetic number, because the mean of its divisors is an integer number (985488).

Almost surely, 2^3924131 is an apocalyptic number.

3924131 is a deficient number, since it is larger than the sum of its proper divisors (17821).

3924131 is a wasteful number, since it uses less digits than its factorization.

3924131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17820.

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

The square root of 3924131 is about 1980.9419476603. The cubic root of 3924131 is about 157.7300710791.

The spelling of 3924131 in words is "three million, nine hundred twenty-four thousand, one hundred thirty-one".