28048198 has 8 divisors (see below), whose sum is σ = 44547192. Its totient is φ = 13199136.

The previous prime is 28048129. The next prime is 28048217. The reversal of 28048198 is 89184082.

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

It is a super-2 number, since 2×28048198² = 1573402822094408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28048198.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412440 + ... + 412507.

It is an arithmetic number, because the mean of its divisors is an integer number (5568399).

Almost surely, 2^28048198 is an apocalyptic number.

28048198 is a deficient number, since it is larger than the sum of its proper divisors (16498994).

28048198 is a wasteful number, since it uses less digits than its factorization.

28048198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824966.

The product of its (nonzero) digits is 36864, while the sum is 40.

The square root of 28048198 is about 5296.0549468449. The cubic root of 28048198 is about 303.8330324467.

The spelling of 28048198 in words is "twenty-eight million, forty-eight thousand, one hundred ninety-eight".