3281142 has 16 divisors (see below), whose sum is σ = 6581952. Its totient is φ = 1090440.

The previous prime is 3281141. The next prime is 3281149. The reversal of 3281142 is 2411823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3281141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2217 + ... + 3387.

It is an arithmetic number, because the mean of its divisors is an integer number (411372).

Almost surely, 2^3281142 is an apocalyptic number.

3281142 is an abundant number, since it is smaller than the sum of its proper divisors (3300810).

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

3281142 is a wasteful number, since it uses less digits than its factorization.

3281142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643.

The product of its digits is 384, while the sum is 21.

The square root of 3281142 is about 1811.3922821962. The cubic root of 3281142 is about 148.5964184683.

Adding to 3281142 its reverse (2411823), we get a palindrome (5692965).

The spelling of 3281142 in words is "three million, two hundred eighty-one thousand, one hundred forty-two".