998150799 has 8 divisors (see below), whose sum is σ = 1340442880. Its totient is φ = 660646296.

The previous prime is 998150771. The next prime is 998150821. The reversal of 998150799 is 997051899.

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

It is not a de Polignac number, because 998150799 - 2⁹ = 998150287 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 (998150759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1196407 + ... + 1197240.

It is an arithmetic number, because the mean of its divisors is an integer number (167555360).

Almost surely, 2^998150799 is an apocalyptic number.

998150799 is a deficient number, since it is larger than the sum of its proper divisors (342292081).

998150799 is a wasteful number, since it uses less digits than its factorization.

998150799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2393789.

The product of its (nonzero) digits is 1837080, while the sum is 57.

The square root of 998150799 is about 31593.5246371784. The cubic root of 998150799 is about 999.3832193265.

The spelling of 998150799 in words is "nine hundred ninety-eight million, one hundred fifty thousand, seven hundred ninety-nine".