28198410 has 32 divisors (see below), whose sum is σ = 71658432. Its totient is φ = 7077120.

The previous prime is 28198381. The next prime is 28198421. The reversal of 28198410 is 1489182.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27136 + ... + 28155.

It is an arithmetic number, because the mean of its divisors is an integer number (2239326).

Almost surely, 2^28198410 is an apocalyptic number.

28198410 is an abundant number, since it is smaller than the sum of its proper divisors (43460022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28198410 is a wasteful number, since it uses less digits than its factorization.

28198410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55318.

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 28198410 is about 5310.2175096694. The cubic root of 28198410 is about 304.3744592103.

The spelling of 28198410 in words is "twenty-eight million, one hundred ninety-eight thousand, four hundred ten".