28146798 has 32 divisors (see below), whose sum is σ = 66229920. Its totient is φ = 8830080.

The previous prime is 28146793. The next prime is 28146799. The reversal of 28146798 is 89764182.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28146793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14413 + ... + 16248.

It is an arithmetic number, because the mean of its divisors is an integer number (2069685).

Almost surely, 2^28146798 is an apocalyptic number.

28146798 is an abundant number, since it is smaller than the sum of its proper divisors (38083122).

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

28146798 is a wasteful number, since it uses less digits than its factorization.

28146798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30689 (or 30683 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 28146798 is about 5305.3555959992. The cubic root of 28146798 is about 304.1886453208.

The spelling of 28146798 in words is "twenty-eight million, one hundred forty-six thousand, seven hundred ninety-eight".