999961498 has 4 divisors (see below), whose sum is σ = 1499942250. Its totient is φ = 499980748.

The previous prime is 999961477. The next prime is 999961511. The reversal of 999961498 is 894169999.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 961806169 + 38155329 = 31013^2 + 6177^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249990373 + ... + 249990376.

Almost surely, 2^999961498 is an apocalyptic number.

999961498 is a deficient number, since it is larger than the sum of its proper divisors (499980752).

999961498 is a wasteful number, since it uses less digits than its factorization.

999961498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499980751.

The product of its digits is 11337408, while the sum is 64.

The square root of 999961498 is about 31622.1678257516. The cubic root of 999961498 is about 999.9871658353.

The spelling of 999961498 in words is "nine hundred ninety-nine million, nine hundred sixty-one thousand, four hundred ninety-eight".