8499138 has 16 divisors (see below), whose sum is σ = 17031936. Its totient is φ = 2827440.

The previous prime is 8499103. The next prime is 8499143. The reversal of 8499138 is 8319948.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8499138.

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 7 ways as a sum of consecutive naturals, for example, 2895 + ... + 5037.

It is an arithmetic number, because the mean of its divisors is an integer number (1064496).

Almost surely, 2^8499138 is an apocalyptic number.

8499138 is an abundant number, since it is smaller than the sum of its proper divisors (8532798).

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

8499138 is a wasteful number, since it uses less digits than its factorization.

8499138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2809.

The product of its digits is 62208, while the sum is 42.

The square root of 8499138 is about 2915.3281118941. The cubic root of 8499138 is about 204.0758560652.

The spelling of 8499138 in words is "eight million, four hundred ninety-nine thousand, one hundred thirty-eight".