3142891 has 8 divisors (see below), whose sum is σ = 3253104. Its totient is φ = 3034080.

The previous prime is 3142879. The next prime is 3142901. The reversal of 3142891 is 1982413.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3142891 - 2⁵ = 3142859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3142831) 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, 6156 + ... + 6646.

It is an arithmetic number, because the mean of its divisors is an integer number (406638).

Almost surely, 2^3142891 is an apocalyptic number.

3142891 is a deficient number, since it is larger than the sum of its proper divisors (110213).

3142891 is a wasteful number, since it uses less digits than its factorization.

3142891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701.

The product of its digits is 1728, while the sum is 28.

The square root of 3142891 is about 1772.8200698322. The cubic root of 3142891 is about 146.4793620242.

The spelling of 3142891 in words is "three million, one hundred forty-two thousand, eight hundred ninety-one".