978841298 has 16 divisors (see below), whose sum is σ = 1518977880. Its totient is φ = 472752000.

The previous prime is 978841289. The next prime is 978841307. The reversal of 978841298 is 892148879.

It is an interprime number because it is at equal distance from previous prime (978841289) and next prime (978841307).

It can be written as a sum of positive squares in 4 ways, for example, as 970758649 + 8082649 = 31157^2 + 2843^2 .

It is an unprimeable number.

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, 50813 + ... + 67376.

Almost surely, 2^978841298 is an apocalyptic number.

978841298 is a deficient number, since it is larger than the sum of its proper divisors (540136582).

978841298 is a wasteful number, since it uses less digits than its factorization.

978841298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118333.

The product of its digits is 2322432, while the sum is 56.

The square root of 978841298 is about 31286.4395225791. The cubic root of 978841298 is about 992.8967628219.

The spelling of 978841298 in words is "nine hundred seventy-eight million, eight hundred forty-one thousand, two hundred ninety-eight".