8492131 has 4 divisors (see below), whose sum is σ = 8516952. Its totient is φ = 8467312.

The previous prime is 8492123. The next prime is 8492153. The reversal of 8492131 is 1312948.

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 8492131 - 2³ = 8492123 is a prime.

It is a super-2 number, since 2×8492131² = 144232577842322, which contains 22 as substring.

It is a Duffinian number.

8492131 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 8492131.

It is not an unprimeable number, because it can be changed into a prime (8492111) 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, 11890 + ... + 12583.

It is an arithmetic number, because the mean of its divisors is an integer number (2129238).

Almost surely, 2^8492131 is an apocalyptic number.

8492131 is a deficient number, since it is larger than the sum of its proper divisors (24821).

8492131 is a wasteful number, since it uses less digits than its factorization.

8492131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24820.

The product of its digits is 1728, while the sum is 28.

The square root of 8492131 is about 2914.1261125765. The cubic root of 8492131 is about 204.0197581145.

The spelling of 8492131 in words is "eight million, four hundred ninety-two thousand, one hundred thirty-one".