3431445 has 16 divisors (see below), whose sum is σ = 5546112. Its totient is φ = 1811520.

The previous prime is 3431437. The next prime is 3431447. The reversal of 3431445 is 5441343.

It is not a de Polignac number, because 3431445 - 2³ = 3431437 is a prime.

It is a super-3 number, since 3×3431445³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3431447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 435 + ... + 2655.

It is an arithmetic number, because the mean of its divisors is an integer number (346632).

Almost surely, 2^3431445 is an apocalyptic number.

It is an amenable number.

3431445 is a deficient number, since it is larger than the sum of its proper divisors (2114667).

3431445 is a wasteful number, since it uses less digits than its factorization.

3431445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2332.

The product of its digits is 2880, while the sum is 24.

The square root of 3431445 is about 1852.4159899979. The cubic root of 3431445 is about 150.8316032754.

Adding to 3431445 its reverse (5441343), we get a palindrome (8872788).

The spelling of 3431445 in words is "three million, four hundred thirty-one thousand, four hundred forty-five".