28024998 has 16 divisors (see below), whose sum is σ = 56159040. Its totient is φ = 9323496.

The previous prime is 28024987. The next prime is 28024999. The reversal of 28024998 is 89942082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28024999) 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, 988 + ... + 7551.

It is an arithmetic number, because the mean of its divisors is an integer number (3509940).

Almost surely, 2^28024998 is an apocalyptic number.

28024998 is an abundant number, since it is smaller than the sum of its proper divisors (28134042).

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

28024998 is a wasteful number, since it uses less digits than its factorization.

28024998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9091.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 28024998 is about 5293.8641841286. The cubic root of 28024998 is about 303.7492377498.

The spelling of 28024998 in words is "twenty-eight million, twenty-four thousand, nine hundred ninety-eight".