3423931 has 4 divisors (see below), whose sum is σ = 3913072. Its totient is φ = 2934792.

The previous prime is 3423929. The next prime is 3423949. The reversal of 3423931 is 1393243.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1393243 = 43 ⋅32401.

It is not a de Polignac number, because 3423931 - 2¹ = 3423929 is a prime.

It is a super-2 number, since 2×3423931² = 23446606985522, which contains 22 as substring.

It is a Duffinian number.

3423931 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3423896 and 3423905.

It is not an unprimeable number, because it can be changed into a prime (3423631) 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, 244560 + ... + 244573.

It is an arithmetic number, because the mean of its divisors is an integer number (978268).

Almost surely, 2^3423931 is an apocalyptic number.

3423931 is a deficient number, since it is larger than the sum of its proper divisors (489141).

3423931 is an equidigital number, since it uses as much as digits as its factorization.

3423931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489140.

The product of its digits is 1944, while the sum is 25.

The square root of 3423931 is about 1850.3867163380. The cubic root of 3423931 is about 150.7214284147.

It can be divided in two parts, 3423 and 931, that multiplied together give a palindrome (3186813).

The spelling of 3423931 in words is "three million, four hundred twenty-three thousand, nine hundred thirty-one".