82906491 has 8 divisors (see below), whose sum is σ = 110716480. Its totient is φ = 55183752.

The previous prime is 82906477. The next prime is 82906511. The reversal of 82906491 is 19460928.

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

It is not a de Polignac number, because 82906491 - 2¹⁴ = 82890107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82906441) 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, 19561 + ... + 23418.

It is an arithmetic number, because the mean of its divisors is an integer number (13839560).

Almost surely, 2^82906491 is an apocalyptic number.

82906491 is a deficient number, since it is larger than the sum of its proper divisors (27809989).

82906491 is a wasteful number, since it uses less digits than its factorization.

82906491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43625.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 82906491 is about 9105.3001597970. The cubic root of 82906491 is about 436.0431931930.

The spelling of 82906491 in words is "eighty-two million, nine hundred six thousand, four hundred ninety-one".