3405828 has 24 divisors (see below), whose sum is σ = 7977088. Its totient is φ = 1130976.

The previous prime is 3405827. The next prime is 3405839. The reversal of 3405828 is 8285043.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3405795 and 3405804.

It is not an unprimeable number, because it can be changed into a prime (3405823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5250 + ... + 5862.

Almost surely, 2^3405828 is an apocalyptic number.

It is an amenable number.

3405828 is an abundant number, since it is smaller than the sum of its proper divisors (4571260).

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

3405828 is a wasteful number, since it uses less digits than its factorization.

3405828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083 (or 1081 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 3405828 is about 1845.4885532021. The cubic root of 3405828 is about 150.4553275580.

The spelling of 3405828 in words is "three million, four hundred five thousand, eight hundred twenty-eight".