8050391 has 8 divisors (see below), whose sum is σ = 8606304. Its totient is φ = 7511680.

The previous prime is 8050387. The next prime is 8050397. The reversal of 8050391 is 1930508.

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 8050391 - 2² = 8050387 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8050391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8050397) 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, 3326 + ... + 5211.

It is an arithmetic number, because the mean of its divisors is an integer number (1075788).

Almost surely, 2^8050391 is an apocalyptic number.

8050391 is a deficient number, since it is larger than the sum of its proper divisors (555913).

8050391 is a wasteful number, since it uses less digits than its factorization.

8050391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8601.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 8050391 is about 2837.3210956816. The cubic root of 8050391 is about 200.4190463874.

Adding to 8050391 its reverse (1930508), we get a palindrome (9980899).

The spelling of 8050391 in words is "eight million, fifty thousand, three hundred ninety-one".