8472291 has 4 divisors (see below), whose sum is σ = 11296392. Its totient is φ = 5648192.

The previous prime is 8472259. The next prime is 8472293. The reversal of 8472291 is 1922748.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8472291 - 2⁵ = 8472259 is a prime.

It is a d-powerful number, because it can be written as 8 + 4⁷ + 7² + 2¹³ + 2²³ + 9⁵ + 1 .

It is not an unprimeable number, because it can be changed into a prime (8472293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1412046 + ... + 1412051.

It is an arithmetic number, because the mean of its divisors is an integer number (2824098).

Almost surely, 2^8472291 is an apocalyptic number.

8472291 is a deficient number, since it is larger than the sum of its proper divisors (2824101).

8472291 is a wasteful number, since it uses less digits than its factorization.

8472291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2824100.

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

The square root of 8472291 is about 2910.7200140172. The cubic root of 8472291 is about 203.8607517620.

The spelling of 8472291 in words is "eight million, four hundred seventy-two thousand, two hundred ninety-one".