3431945 has 16 divisors (see below), whose sum is σ = 4689792. Its totient is φ = 2386560.

The previous prime is 3431933. The next prime is 3431963. The reversal of 3431945 is 5491343.

It is not a de Polignac number, because 3431945 - 2⁶ = 3431881 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92 + ... + 2621.

It is an arithmetic number, because the mean of its divisors is an integer number (293112).

Almost surely, 2^3431945 is an apocalyptic number.

It is an amenable number.

3431945 is a deficient number, since it is larger than the sum of its proper divisors (1257847).

3431945 is a wasteful number, since it uses less digits than its factorization.

3431945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2752.

The product of its digits is 6480, while the sum is 29.

The square root of 3431945 is about 1852.5509439689. The cubic root of 3431945 is about 150.8389288714.

The spelling of 3431945 in words is "three million, four hundred thirty-one thousand, nine hundred forty-five".