826385998 has 16 divisors (see below), whose sum is σ = 1298903040. Its totient is φ = 393569176.

The previous prime is 826385947. The next prime is 826385999. The reversal of 826385998 is 899583628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (826385999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26590 + ... + 48577.

It is an arithmetic number, because the mean of its divisors is an integer number (81181440).

Almost surely, 2^826385998 is an apocalyptic number.

826385998 is a deficient number, since it is larger than the sum of its proper divisors (472517042).

826385998 is a wasteful number, since it uses less digits than its factorization.

826385998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75431.

The product of its digits is 7464960, while the sum is 58.

The square root of 826385998 is about 28746.9302361139. The cubic root of 826385998 is about 938.4136507662.

The spelling of 826385998 in words is "eight hundred twenty-six million, three hundred eighty-five thousand, nine hundred ninety-eight".