8439492 has 24 divisors (see below), whose sum is σ = 19807200. Its totient is φ = 2796736.

The previous prime is 8439479. The next prime is 8439499. The reversal of 8439492 is 2949348.

It is a self number, because there is not a number n which added to its sum of digits gives 8439492.

It is not an unprimeable number, because it can be changed into a prime (8439499) 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, 184 + ... + 4112.

It is an arithmetic number, because the mean of its divisors is an integer number (825300).

Almost surely, 2^8439492 is an apocalyptic number.

It is an amenable number.

8439492 is an abundant number, since it is smaller than the sum of its proper divisors (11367708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8439492 is a wasteful number, since it uses less digits than its factorization.

8439492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4115 (or 4113 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 8439492 is about 2905.0803775455. The cubic root of 8439492 is about 203.5973410800.

The spelling of 8439492 in words is "eight million, four hundred thirty-nine thousand, four hundred ninety-two".