3405042 has 12 divisors (see below), whose sum is σ = 7377630. Its totient is φ = 1135008.

The previous prime is 3405037. The next prime is 3405079. The reversal of 3405042 is 2405043.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2556801 + 848241 = 1599^2 + 921^2 .

It is a super-2 number, since 2×3405042² = 23188622043528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 189169 = 3405042 / (3 + 4 + 0 + 5 + 0 + 4 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 94567 + ... + 94602.

Almost surely, 2^3405042 is an apocalyptic number.

3405042 is an abundant number, since it is smaller than the sum of its proper divisors (3972588).

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

3405042 is a wasteful number, since it uses less digits than its factorization.

3405042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189177 (or 189174 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 3405042 is about 1845.2755891736. The cubic root of 3405042 is about 150.4437525963.

Subtracting from 3405042 its reverse (2405043), we obtain a palindrome (999999).

The spelling of 3405042 in words is "three million, four hundred five thousand, forty-two".