3406403 has 32 divisors (see below), whose sum is σ = 4741632. Its totient is φ = 2361600.

The previous prime is 3406391. The next prime is 3406421. The reversal of 3406403 is 3046043.

It is a happy number.

It is not a de Polignac number, because 3406403 - 2⁴ = 3406387 is a prime.

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

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41000 + ... + 41082.

It is an arithmetic number, because the mean of its divisors is an integer number (148176).

Almost surely, 2^3406403 is an apocalyptic number.

3406403 is a deficient number, since it is larger than the sum of its proper divisors (1335229).

3406403 is a wasteful number, since it uses less digits than its factorization.

3406403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 3406403 is about 1845.6443319340. The cubic root of 3406403 is about 150.4637941184.

The spelling of 3406403 in words is "three million, four hundred six thousand, four hundred three".