3431929 has 4 divisors (see below), whose sum is σ = 3470580. Its totient is φ = 3393280.

The previous prime is 3431903. The next prime is 3431933. The reversal of 3431929 is 9291343.

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 725904 + 2706025 = 852^2 + 1645^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3431929 is a prime.

It is a super-2 number, since 2×3431929² = 23556273322082, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

3431929 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3431929.

It is not an unprimeable number, because it can be changed into a prime (3431999) 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, 19192 + ... + 19369.

It is an arithmetic number, because the mean of its divisors is an integer number (867645).

Almost surely, 2^3431929 is an apocalyptic number.

It is an amenable number.

3431929 is a deficient number, since it is larger than the sum of its proper divisors (38651).

3431929 is an equidigital number, since it uses as much as digits as its factorization.

3431929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38650.

The product of its digits is 5832, while the sum is 31.

The square root of 3431929 is about 1852.5466255941. The cubic root of 3431929 is about 150.8386944633.

The spelling of 3431929 in words is "three million, four hundred thirty-one thousand, nine hundred twenty-nine".