3309142 has 8 divisors (see below), whose sum is σ = 4981536. Its totient is φ = 1648632.

The previous prime is 3309139. The next prime is 3309143. The reversal of 3309142 is 2419033.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3309143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2238 + ... + 3409.

It is an arithmetic number, because the mean of its divisors is an integer number (622692).

Almost surely, 2^3309142 is an apocalyptic number.

3309142 is a deficient number, since it is larger than the sum of its proper divisors (1672394).

3309142 is a wasteful number, since it uses less digits than its factorization.

3309142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5942.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 3309142 is about 1819.1047248578. The cubic root of 3309142 is about 149.0179099532.

It can be divided in two parts, 33091 and 42, that added together give a palindrome (33133).

The spelling of 3309142 in words is "three million, three hundred nine thousand, one hundred forty-two".