28819102 has 8 divisors (see below), whose sum is σ = 46553976. Its totient is φ = 13301112.

The previous prime is 28819093. The next prime is 28819103. The reversal of 28819102 is 20191882.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28819103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 554188 + ... + 554239.

It is an arithmetic number, because the mean of its divisors is an integer number (5819247).

Almost surely, 2^28819102 is an apocalyptic number.

28819102 is a deficient number, since it is larger than the sum of its proper divisors (17734874).

28819102 is a wasteful number, since it uses less digits than its factorization.

28819102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108442.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 28819102 is about 5368.3425747618. The cubic root of 28819102 is about 306.5915266967.

The spelling of 28819102 in words is "twenty-eight million, eight hundred nineteen thousand, one hundred two".