28830998 has 16 divisors (see below), whose sum is σ = 49497504. Its totient is φ = 12337920.

The previous prime is 28830973. The next prime is 28831007. The reversal of 28830998 is 89903882.

It is a happy number.

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, 13286 + ... + 15302.

It is an arithmetic number, because the mean of its divisors is an integer number (3093594).

Almost surely, 2^28830998 is an apocalyptic number.

28830998 is a deficient number, since it is larger than the sum of its proper divisors (20666506).

28830998 is a wasteful number, since it uses less digits than its factorization.

28830998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3047.

The product of its (nonzero) digits is 248832, while the sum is 47.

The square root of 28830998 is about 5369.4504374284. The cubic root of 28830998 is about 306.6337060248.

The spelling of 28830998 in words is "twenty-eight million, eight hundred thirty thousand, nine hundred ninety-eight".