999998262 has 12 divisors (see below), whose sum is σ = 2166662940. Its totient is φ = 333332748.

The previous prime is 999998261. The next prime is 999998269. The reversal of 999998262 is 262899999.

It is a self number, because there is not a number n which added to its sum of digits gives 999998262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999998261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27777712 + ... + 27777747.

It is an arithmetic number, because the mean of its divisors is an integer number (180555245).

Almost surely, 2^999998262 is an apocalyptic number.

999998262 is an abundant number, since it is smaller than the sum of its proper divisors (1166664678).

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

999998262 is a wasteful number, since it uses less digits than its factorization.

999998262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55555467 (or 55555464 counting only the distinct ones).

The product of its digits is 11337408, while the sum is 63.

The square root of 999998262 is about 31622.7491214790. The cubic root of 999998262 is about 999.9994206663. Note that the first 3 decimals are identical.

The spelling of 999998262 in words is "nine hundred ninety-nine million, nine hundred ninety-eight thousand, two hundred sixty-two".