2478338198 has 16 divisors (see below), whose sum is σ = 4282036224. Its totient is φ = 1053780840.

The previous prime is 2478338179. The next prime is 2478338221. The reversal of 2478338198 is 8918338742.

It is a super-2 number, since 2×2478338198² = 12284320447331774408, which contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 695168 + ... + 698723.

It is an arithmetic number, because the mean of its divisors is an integer number (267627264).

Almost surely, 2^2478338198 is an apocalyptic number.

2478338198 is a deficient number, since it is larger than the sum of its proper divisors (1803698026).

2478338198 is a wasteful number, since it uses less digits than its factorization.

2478338198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1394027.

The product of its digits is 2322432, while the sum is 53.

The square root of 2478338198 is about 49782.9107023685. The cubic root of 2478338198 is about 1353.2774866070.

The spelling of 2478338198 in words is "two billion, four hundred seventy-eight million, three hundred thirty-eight thousand, one hundred ninety-eight".