8399898 has 24 divisors (see below), whose sum is σ = 19600308. Its totient is φ = 2584512.

The previous prime is 8399893. The next prime is 8399927. The reversal of 8399898 is 8989938.

It can be written as a sum of positive squares in 2 ways, for example, as 8311689 + 88209 = 2883^2 + 297^2 .

It is not an unprimeable number, because it can be changed into a prime (8399893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17715 + ... + 18182.

Almost surely, 2^8399898 is an apocalyptic number.

8399898 is an abundant number, since it is smaller than the sum of its proper divisors (11200410).

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

8399898 is a wasteful number, since it uses less digits than its factorization.

8399898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35918 (or 35915 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 54.

The square root of 8399898 is about 2898.2577525127. The cubic root of 8399898 is about 203.2784485626.

The spelling of 8399898 in words is "eight million, three hundred ninety-nine thousand, eight hundred ninety-eight".