3400431 has 4 divisors (see below), whose sum is σ = 4533912. Its totient is φ = 2266952.

The previous prime is 3400409. The next prime is 3400457. The reversal of 3400431 is 1340043.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3400431 - 2⁵ = 3400399 is a prime.

It is a super-2 number, since 2×3400431² = 23125861971522, which contains 22 as substring.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 3400431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3400471) 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, 566736 + ... + 566741.

It is an arithmetic number, because the mean of its divisors is an integer number (1133478).

Almost surely, 2^3400431 is an apocalyptic number.

3400431 is a deficient number, since it is larger than the sum of its proper divisors (1133481).

3400431 is a wasteful number, since it uses less digits than its factorization.

3400431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133480.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 3400431 is about 1844.0257590392. The cubic root of 3400431 is about 150.3758131988.

Adding to 3400431 its reverse (1340043), we get a palindrome (4740474).

The spelling of 3400431 in words is "three million, four hundred thousand, four hundred thirty-one".