2479198 has 4 divisors (see below), whose sum is σ = 3718800. Its totient is φ = 1239598.

The previous prime is 2479189. The next prime is 2479219. The reversal of 2479198 is 8919742.

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

It is a super-2 number, since 2×2479198² = 12292845446408, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 2479198.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 619798 + ... + 619801.

It is an arithmetic number, because the mean of its divisors is an integer number (929700).

2^2479198 is an apocalyptic number.

2479198 is a deficient number, since it is larger than the sum of its proper divisors (1239602).

2479198 is a wasteful number, since it uses less digits than its factorization.

2479198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239601.

The product of its digits is 36288, while the sum is 40.

The square root of 2479198 is about 1574.5469189580. The cubic root of 2479198 is about 135.3433964600.

The spelling of 2479198 in words is "two million, four hundred seventy-nine thousand, one hundred ninety-eight".