998339755 has 8 divisors (see below), whose sum is σ = 1369151712. Its totient is φ = 684575808.

The previous prime is 998339753. The next prime is 998339759. The reversal of 998339755 is 557933899.

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

It is not a de Polignac number, because 998339755 - 2¹ = 998339753 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 998339755.

It is not an unprimeable number, because it can be changed into a prime (998339753) 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, 14261962 + ... + 14262031.

It is an arithmetic number, because the mean of its divisors is an integer number (171143964).

Almost surely, 2^998339755 is an apocalyptic number.

998339755 is a deficient number, since it is larger than the sum of its proper divisors (370811957).

998339755 is a wasteful number, since it uses less digits than its factorization.

998339755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28524005.

The product of its digits is 9185400, while the sum is 58.

The square root of 998339755 is about 31596.5149185792. The cubic root of 998339755 is about 999.4462784490.

The spelling of 998339755 in words is "nine hundred ninety-eight million, three hundred thirty-nine thousand, seven hundred fifty-five".