28898030 has 32 divisors (see below), whose sum is σ = 60903360. Its totient is φ = 9665280.

The previous prime is 28898029. The next prime is 28898041. The reversal of 28898030 is 3089882.

It is a super-2 number, since 2×28898030² = 1670192275761800, 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 15 ways as a sum of consecutive naturals, for example, 2165 + ... + 7904.

It is an arithmetic number, because the mean of its divisors is an integer number (1903230).

Almost surely, 2^28898030 is an apocalyptic number.

28898030 is an abundant number, since it is smaller than the sum of its proper divisors (32005330).

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

28898030 is a wasteful number, since it uses less digits than its factorization.

28898030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10124.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 28898030 is about 5375.6887930757. The cubic root of 28898030 is about 306.8711629636.

The spelling of 28898030 in words is "twenty-eight million, eight hundred ninety-eight thousand, thirty".