3431290 has 16 divisors (see below), whose sum is σ = 6327720. Its totient is φ = 1338880.

The previous prime is 3431287. The next prime is 3431317. The reversal of 3431290 is 921343.

It can be written as a sum of positive squares in 4 ways, for example, as 2241009 + 1190281 = 1497^2 + 1091^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3775 + ... + 4594.

Almost surely, 2^3431290 is an apocalyptic number.

3431290 is a deficient number, since it is larger than the sum of its proper divisors (2896430).

3431290 is a wasteful number, since it uses less digits than its factorization.

3431290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8417.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 3431290 is about 1852.3741522705. The cubic root of 3431290 is about 150.8293321962.

It can be divided in two parts, 3431 and 290, that added together give a square (3721 = 61²).

The spelling of 3431290 in words is "three million, four hundred thirty-one thousand, two hundred ninety".