3089991 has 16 divisors (see below), whose sum is σ = 4250880. Its totient is φ = 1995840.

The previous prime is 3089959. The next prime is 3089993. The reversal of 3089991 is 1999803.

It is not a de Polignac number, because 3089991 - 2⁵ = 3089959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3089993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18876 + ... + 19038.

It is an arithmetic number, because the mean of its divisors is an integer number (265680).

Almost surely, 2^3089991 is an apocalyptic number.

3089991 is a deficient number, since it is larger than the sum of its proper divisors (1160889).

3089991 is a wasteful number, since it uses less digits than its factorization.

3089991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326.

The product of its (nonzero) digits is 17496, while the sum is 39.

The square root of 3089991 is about 1757.8370231623. The cubic root of 3089991 is about 145.6528783653.

The spelling of 3089991 in words is "three million, eighty-nine thousand, nine hundred ninety-one".