8499942 has 24 divisors (see below), whose sum is σ = 20091240. Its totient is φ = 2575680.

The previous prime is 8499937. The next prime is 8499971. The reversal of 8499942 is 2499948.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 21267 + ... + 21662.

It is an arithmetic number, because the mean of its divisors is an integer number (837135).

Almost surely, 2^8499942 is an apocalyptic number.

8499942 is an abundant number, since it is smaller than the sum of its proper divisors (11591298).

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

8499942 is a wasteful number, since it uses less digits than its factorization.

8499942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42948 (or 42945 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 8499942 is about 2915.4660004877. The cubic root of 8499942 is about 204.0822909066.

The spelling of 8499942 in words is "eight million, four hundred ninety-nine thousand, nine hundred forty-two".