28100598 has 16 divisors (see below), whose sum is σ = 56318976. Its totient is φ = 9347240.

The previous prime is 28100581. The next prime is 28100599. The reversal of 28100598 is 89500182.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28100599) 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, 1638 + ... + 7673.

It is an arithmetic number, because the mean of its divisors is an integer number (3519936).

Almost surely, 2^28100598 is an apocalyptic number.

28100598 is an abundant number, since it is smaller than the sum of its proper divisors (28218378).

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

28100598 is a wasteful number, since it uses less digits than its factorization.

28100598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9819.

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 28100598 is about 5300.9997170345. Note that the first 3 decimals coincide. The cubic root of 28100598 is about 304.0221229860.

The spelling of 28100598 in words is "twenty-eight million, one hundred thousand, five hundred ninety-eight".