8492281 has 4 divisors (see below), whose sum is σ = 9705472. Its totient is φ = 7279092.

The previous prime is 8492261. The next prime is 8492303. The reversal of 8492281 is 1822948.

8492281 = 429² + 430² + ... + 470².

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8492281 - 2⁵ = 8492249 is a prime.

It is a super-2 number, since 2×8492281² = 144237673165922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8492201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 606585 + ... + 606598.

It is an arithmetic number, because the mean of its divisors is an integer number (2426368).

Almost surely, 2^8492281 is an apocalyptic number.

It is an amenable number.

8492281 is a deficient number, since it is larger than the sum of its proper divisors (1213191).

8492281 is a wasteful number, since it uses less digits than its factorization.

8492281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213190.

The product of its digits is 9216, while the sum is 34.

The square root of 8492281 is about 2914.1518491664. The cubic root of 8492281 is about 204.0209593357.

The spelling of 8492281 in words is "eight million, four hundred ninety-two thousand, two hundred eighty-one".