998839627 has 4 divisors (see below), whose sum is σ = 998910880. Its totient is φ = 998768376.

The previous prime is 998839603. The next prime is 998839649. The reversal of 998839627 is 726938899.

It is a happy number.

998839627 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 998839627 - 2¹⁵ = 998806859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (998839697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6852 + ... + 45217.

It is an arithmetic number, because the mean of its divisors is an integer number (249727720).

Almost surely, 2^998839627 is an apocalyptic number.

998839627 is a deficient number, since it is larger than the sum of its proper divisors (71253).

998839627 is a wasteful number, since it uses less digits than its factorization.

998839627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71252.

The product of its digits is 11757312, while the sum is 61.

The square root of 998839627 is about 31604.4241681446. The cubic root of 998839627 is about 999.6130592962.

The spelling of 998839627 in words is "nine hundred ninety-eight million, eight hundred thirty-nine thousand, six hundred twenty-seven".