8082391 has 8 divisors (see below), whose sum is σ = 8738480. Its totient is φ = 7449408.

The previous prime is 8082383. The next prime is 8082397. The reversal of 8082391 is 1932808.

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 8082391 - 2³ = 8082383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8082397) 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, 5046 + ... + 6451.

It is an arithmetic number, because the mean of its divisors is an integer number (1092310).

Almost surely, 2^8082391 is an apocalyptic number.

8082391 is a deficient number, since it is larger than the sum of its proper divisors (656089).

8082391 is a wasteful number, since it uses less digits than its factorization.

8082391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11553.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 8082391 is about 2842.9546250336. The cubic root of 8082391 is about 200.6842480202.

The spelling of 8082391 in words is "eight million, eighty-two thousand, three hundred ninety-one".