3406431 has 12 divisors (see below), whose sum is σ = 5283672. Its totient is φ = 1946448.

The previous prime is 3406421. The next prime is 3406433. The reversal of 3406431 is 1346043.

It is not a de Polignac number, because 3406431 - 2⁷ = 3406303 is a prime.

It is a super-2 number, since 2×3406431² = 23207544315522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 3406398 and 3406407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3406433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11440 + ... + 11733.

It is an arithmetic number, because the mean of its divisors is an integer number (440306).

Almost surely, 2^3406431 is an apocalyptic number.

3406431 is a deficient number, since it is larger than the sum of its proper divisors (1877241).

3406431 is a wasteful number, since it uses less digits than its factorization.

3406431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23190 (or 23183 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 3406431 is about 1845.6519173452. The cubic root of 3406431 is about 150.4642063788.

The spelling of 3406431 in words is "three million, four hundred six thousand, four hundred thirty-one".