28650898 has 16 divisors (see below), whose sum is σ = 46800000. Its totient is φ = 13102992.

The previous prime is 28650887. The next prime is 28650901. The reversal of 28650898 is 89805682.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11898 + ... + 14101.

It is an arithmetic number, because the mean of its divisors is an integer number (2925000).

Almost surely, 2^28650898 is an apocalyptic number.

28650898 is a deficient number, since it is larger than the sum of its proper divisors (18149102).

28650898 is a wasteful number, since it uses less digits than its factorization.

28650898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26049.

The product of its (nonzero) digits is 276480, while the sum is 46.

The square root of 28650898 is about 5352.6533607175. The cubic root of 28650898 is about 305.9938839964.

The spelling of 28650898 in words is "twenty-eight million, six hundred fifty thousand, eight hundred ninety-eight".