3146442 has 48 divisors (see below), whose sum is σ = 7115040. Its totient is φ = 926016.

The previous prime is 3146431. The next prime is 3146459. The reversal of 3146442 is 2446413.

It is a nialpdrome in base 13.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 29353 + ... + 29459.

It is an arithmetic number, because the mean of its divisors is an integer number (148230).

Almost surely, 2^3146442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3146442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3557520).

3146442 is an abundant number, since it is smaller than the sum of its proper divisors (3968598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3146442 is a wasteful number, since it uses less digits than its factorization.

3146442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167 (or 154 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 3146442 is about 1773.8212987784. The cubic root of 3146442 is about 146.5345079012.

The spelling of 3146442 in words is "three million, one hundred forty-six thousand, four hundred forty-two".