998856703 has 8 divisors (see below), whose sum is σ = 1091747888. Its totient is φ = 908259264.

The previous prime is 998856697. The next prime is 998856713. The reversal of 998856703 is 307658899.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 998856703 - 2⁹ = 998856191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998856713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 572526 + ... + 574267.

It is an arithmetic number, because the mean of its divisors is an integer number (136468486).

Almost surely, 2^998856703 is an apocalyptic number.

998856703 is a deficient number, since it is larger than the sum of its proper divisors (92891185).

998856703 is a wasteful number, since it uses less digits than its factorization.

998856703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146873.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The square root of 998856703 is about 31604.6943190406. The cubic root of 998856703 is about 999.6187556712.

The spelling of 998856703 in words is "nine hundred ninety-eight million, eight hundred fifty-six thousand, seven hundred three".