28423098 has 24 divisors (see below), whose sum is σ = 67182336. Its totient is φ = 8613000.

The previous prime is 28423081. The next prime is 28423121. The reversal of 28423098 is 89032482.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71578 + ... + 71973.

It is an arithmetic number, because the mean of its divisors is an integer number (2799264).

Almost surely, 2^28423098 is an apocalyptic number.

28423098 is an abundant number, since it is smaller than the sum of its proper divisors (38759238).

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

28423098 is a wasteful number, since it uses less digits than its factorization.

28423098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143570 (or 143567 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 28423098 is about 5331.3317285646. The cubic root of 28423098 is about 305.1807510532.

The spelling of 28423098 in words is "twenty-eight million, four hundred twenty-three thousand, ninety-eight".