28268598 has 16 divisors (see below), whose sum is σ = 57916656. Its totient is φ = 9192960.

The previous prime is 28268567. The next prime is 28268609. The reversal of 28268598 is 89586282.

It is a super-2 number, since 2×28268598² = 1598227265771208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57211 + ... + 57702.

It is an arithmetic number, because the mean of its divisors is an integer number (3619791).

Almost surely, 2^28268598 is an apocalyptic number.

28268598 is an abundant number, since it is smaller than the sum of its proper divisors (29648058).

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

28268598 is a wasteful number, since it uses less digits than its factorization.

28268598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114959.

The product of its digits is 552960, while the sum is 48.

The square root of 28268598 is about 5316.8221711846. The cubic root of 28268598 is about 304.6267870772.

The spelling of 28268598 in words is "twenty-eight million, two hundred sixty-eight thousand, five hundred ninety-eight".