3405387242 has 16 divisors (see below), whose sum is σ = 5170029120. Its totient is φ = 1682078112.

The previous prime is 3405387239. The next prime is 3405387247. The reversal of 3405387242 is 2427835043.

It is a junction number, because it is equal to n+sod(n) for n = 3405387196 and 3405387205.

It is not an unprimeable number, because it can be changed into a prime (3405387247) 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, 209873 + ... + 225515.

It is an arithmetic number, because the mean of its divisors is an integer number (323126820).

Almost surely, 2^3405387242 is an apocalyptic number.

3405387242 is a deficient number, since it is larger than the sum of its proper divisors (1764641878).

3405387242 is a wasteful number, since it uses less digits than its factorization.

3405387242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16957.

The product of its (nonzero) digits is 161280, while the sum is 38.

The square root of 3405387242 is about 58355.6958830927. The cubic root of 3405387242 is about 1504.4883699243.

The spelling of 3405387242 in words is "three billion, four hundred five million, three hundred eighty-seven thousand, two hundred forty-two".