28060998 has 32 divisors (see below), whose sum is σ = 64329216. Its totient is φ = 7993728.

The previous prime is 28060997. The next prime is 28061017. The reversal of 28060998 is 89906082.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28060993) 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, 17415 + ... + 18957.

It is an arithmetic number, because the mean of its divisors is an integer number (2010288).

Almost surely, 2^28060998 is an apocalyptic number.

28060998 is an abundant number, since it is smaller than the sum of its proper divisors (36268218).

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

28060998 is a wasteful number, since it uses less digits than its factorization.

28060998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1988.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 28060998 is about 5297.2632556821. The cubic root of 28060998 is about 303.8792442254.

The spelling of 28060998 in words is "twenty-eight million, sixty thousand, nine hundred ninety-eight".