5951891 has 8 divisors (see below), whose sum is σ = 6528000. Its totient is φ = 5381640.

The previous prime is 5951879. The next prime is 5951893. The reversal of 5951891 is 1981595.

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

It is a de Polignac number, because none of the positive numbers 2^k-5951891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5951893) 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, 830 + ... + 3548.

It is an arithmetic number, because the mean of its divisors is an integer number (816000).

Almost surely, 2^5951891 is an apocalyptic number.

5951891 is a deficient number, since it is larger than the sum of its proper divisors (576109).

5951891 is a wasteful number, since it uses less digits than its factorization.

5951891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2929.

The product of its digits is 16200, while the sum is 38.

The square root of 5951891 is about 2439.6497699465. The cubic root of 5951891 is about 181.2250895611.

The spelling of 5951891 in words is "five million, nine hundred fifty-one thousand, eight hundred ninety-one".