8272491 has 8 divisors (see below), whose sum is σ = 11133504. Its totient is φ = 5463240.

The previous prime is 8272483. The next prime is 8272493. The reversal of 8272491 is 1942728.

It is a happy number.

8272491 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 8272491 - 2³ = 8272483 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8272493) 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, 12565 + ... + 13206.

It is an arithmetic number, because the mean of its divisors is an integer number (1391688).

Almost surely, 2^8272491 is an apocalyptic number.

8272491 is a deficient number, since it is larger than the sum of its proper divisors (2861013).

8272491 is a wasteful number, since it uses less digits than its factorization.

8272491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25881.

The product of its digits is 8064, while the sum is 33.

The square root of 8272491 is about 2876.1938390866. The cubic root of 8272491 is about 202.2454536747.

The spelling of 8272491 in words is "eight million, two hundred seventy-two thousand, four hundred ninety-one".