3442945 has 16 divisors (see below), whose sum is σ = 4587840. Its totient is φ = 2459200.

The previous prime is 3442921. The next prime is 3442949. The reversal of 3442945 is 5492443.

It is a happy number.

It is not a de Polignac number, because 3442945 - 2⁵ = 3442913 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3442949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2715 + ... + 3775.

It is an arithmetic number, because the mean of its divisors is an integer number (286740).

Almost surely, 2^3442945 is an apocalyptic number.

It is an amenable number.

3442945 is a deficient number, since it is larger than the sum of its proper divisors (1144895).

3442945 is a wasteful number, since it uses less digits than its factorization.

3442945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136.

The product of its digits is 17280, while the sum is 31.

The square root of 3442945 is about 1855.5174480452. The cubic root of 3442945 is about 150.9999122845. Note that the first 4 decimals are identical.

The spelling of 3442945 in words is "three million, four hundred forty-two thousand, nine hundred forty-five".