3447142 has 12 divisors (see below), whose sum is σ = 5318460. Its totient is φ = 1675656.

The previous prime is 3447139. The next prime is 3447203. The reversal of 3447142 is 2417443.

3447142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2109 + ... + 3367.

It is an arithmetic number, because the mean of its divisors is an integer number (443205).

Almost surely, 2^3447142 is an apocalyptic number.

3447142 is a deficient number, since it is larger than the sum of its proper divisors (1871318).

3447142 is a wasteful number, since it uses less digits than its factorization.

3447142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335 (or 1298 counting only the distinct ones).

The product of its digits is 2688, while the sum is 25.

The square root of 3447142 is about 1856.6480549636. The cubic root of 3447142 is about 151.0612443990.

The spelling of 3447142 in words is "three million, four hundred forty-seven thousand, one hundred forty-two".