3400442 has 16 divisors (see below), whose sum is σ = 5458752. Its totient is φ = 1583040.

The previous prime is 3400409. The next prime is 3400457. The reversal of 3400442 is 2440043.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 3400442.

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, 3017 + ... + 3987.

It is an arithmetic number, because the mean of its divisors is an integer number (341172).

Almost surely, 2^3400442 is an apocalyptic number.

3400442 is a deficient number, since it is larger than the sum of its proper divisors (2058310).

3400442 is a wasteful number, since it uses less digits than its factorization.

3400442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 3400442 is about 1844.0287416415. The cubic root of 3400442 is about 150.3759753481.

Adding to 3400442 its reverse (2440043), we get a palindrome (5840485).

The spelling of 3400442 in words is "three million, four hundred thousand, four hundred forty-two".