28098354 has 16 divisors (see below), whose sum is σ = 56695392. Its totient is φ = 9283008.

The previous prime is 28098353. The next prime is 28098377. The reversal of 28098354 is 45389082.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28098353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20044 + ... + 21399.

It is an arithmetic number, because the mean of its divisors is an integer number (3543462).

Almost surely, 2^28098354 is an apocalyptic number.

28098354 is an abundant number, since it is smaller than the sum of its proper divisors (28597038).

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

28098354 is a wasteful number, since it uses less digits than its factorization.

28098354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41561.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 28098354 is about 5300.7880546198. The cubic root of 28098354 is about 304.0140301119.

The spelling of 28098354 in words is "twenty-eight million, ninety-eight thousand, three hundred fifty-four".