3405404 has 6 divisors (see below), whose sum is σ = 5959464. Its totient is φ = 1702700.

The previous prime is 3405397. The next prime is 3405431. The reversal of 3405404 is 4045043.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425672 + ... + 425679.

It is an arithmetic number, because the mean of its divisors is an integer number (993244).

Almost surely, 2^3405404 is an apocalyptic number.

It is an amenable number.

3405404 is a deficient number, since it is larger than the sum of its proper divisors (2554060).

3405404 is a wasteful number, since it uses less digits than its factorization.

3405404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851355 (or 851353 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 3405404 is about 1845.3736748962. The cubic root of 3405404 is about 150.4490837796.

The spelling of 3405404 in words is "three million, four hundred five thousand, four hundred four".