3405087842 has 16 divisors (see below), whose sum is σ = 5550994680. Its totient is φ = 1557159552.

The previous prime is 3405087839. The next prime is 3405087859. The reversal of 3405087842 is 2487805043.

It can be written as a sum of positive squares in 4 ways, for example, as 2249699761 + 1155388081 = 47431^2 + 33991^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3405087842.

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, 597923 + ... + 603590.

Almost surely, 2^3405087842 is an apocalyptic number.

3405087842 is a deficient number, since it is larger than the sum of its proper divisors (2145906838).

3405087842 is a wasteful number, since it uses less digits than its factorization.

3405087842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201637.

The product of its (nonzero) digits is 215040, while the sum is 41.

The square root of 3405087842 is about 58353.1305244200. The cubic root of 3405087842 is about 1504.4442773354. Note that the first 3 decimals are identical.

The spelling of 3405087842 in words is "three billion, four hundred five million, eighty-seven thousand, eight hundred forty-two".