28292102 has 16 divisors (see below), whose sum is σ = 44861040. Its totient is φ = 13344768.

The previous prime is 28292101. The next prime is 28292107. The reversal of 28292102 is 20129282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28292101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8318 + ... + 11214.

It is an arithmetic number, because the mean of its divisors is an integer number (2803815).

Almost surely, 2^28292102 is an apocalyptic number.

28292102 is a deficient number, since it is larger than the sum of its proper divisors (16568938).

28292102 is a wasteful number, since it uses less digits than its factorization.

28292102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3175.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 28292102 is about 5319.0320548009. The cubic root of 28292102 is about 304.7111912694.

Subtracting from 28292102 its reverse (20129282), we obtain a triangular number (8162820 = T₄₀₄₀).

The spelling of 28292102 in words is "twenty-eight million, two hundred ninety-two thousand, one hundred two".