3406404 has 24 divisors (see below), whose sum is σ = 8205568. Its totient is φ = 1098720.

The previous prime is 3406391. The next prime is 3406421. The reversal of 3406404 is 4046043.

It is a super-2 number, since 2×3406404² = 23207176422432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4207 + ... + 4950.

Almost surely, 2^3406404 is an apocalyptic number.

It is an amenable number.

3406404 is an abundant number, since it is smaller than the sum of its proper divisors (4799164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3406404 is a wasteful number, since it uses less digits than its factorization.

3406404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9195 (or 9193 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 3406404 is about 1845.6446028421. The cubic root of 3406404 is about 150.4638088420.

The spelling of 3406404 in words is "three million, four hundred six thousand, four hundred four".