3091142 has 8 divisors (see below), whose sum is σ = 4646376. Its totient is φ = 1542352.

The previous prime is 3091117. The next prime is 3091147. The reversal of 3091142 is 2411903.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3091147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143 + ... + 2490.

It is an arithmetic number, because the mean of its divisors is an integer number (580797).

Almost surely, 2^3091142 is an apocalyptic number.

3091142 is a deficient number, since it is larger than the sum of its proper divisors (1555234).

3091142 is a wasteful number, since it uses less digits than its factorization.

3091142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3222.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 3091142 is about 1758.1643836684. The cubic root of 3091142 is about 145.6709610125.

The spelling of 3091142 in words is "three million, ninety-one thousand, one hundred forty-two".