998262906 has 8 divisors (see below), whose sum is σ = 1996525824. Its totient is φ = 332754300.

The previous prime is 998262901. The next prime is 998262913. The reversal of 998262906 is 609262899.

It is a sphenic number, since it is the product of 3 distinct primes.

998262906 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (998262901) 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 3 ways as a sum of consecutive naturals, for example, 83188570 + ... + 83188581.

It is an arithmetic number, because the mean of its divisors is an integer number (249565728).

Almost surely, 2^998262906 is an apocalyptic number.

998262906 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

998262906 is a wasteful number, since it uses less digits than its factorization.

998262906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166377156.

The product of its (nonzero) digits is 839808, while the sum is 51.

The square root of 998262906 is about 31595.2987958652. The cubic root of 998262906 is about 999.4206330654.

The spelling of 998262906 in words is "nine hundred ninety-eight million, two hundred sixty-two thousand, nine hundred six".