8490932239 has 4 divisors (see below), whose sum is σ = 8499027600. Its totient is φ = 8482836880.

The previous prime is 8490932213. The next prime is 8490932273. The reversal of 8490932239 is 9322390948.

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 8490932239 - 2²¹ = 8488835087 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8490932192 and 8490932201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8490932299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4046107 + ... + 4048204.

It is an arithmetic number, because the mean of its divisors is an integer number (2124756900).

Almost surely, 2^8490932239 is an apocalyptic number.

8490932239 is a deficient number, since it is larger than the sum of its proper divisors (8095361).

8490932239 is a wasteful number, since it uses less digits than its factorization.

8490932239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8095360.

The product of its (nonzero) digits is 839808, while the sum is 49.

The square root of 8490932239 is about 92146.2546118940. The cubic root of 8490932239 is about 2040.1015775866.

The spelling of 8490932239 in words is "eight billion, four hundred ninety million, nine hundred thirty-two thousand, two hundred thirty-nine".