28093102 has 4 divisors (see below), whose sum is σ = 42139656. Its totient is φ = 14046550.

The previous prime is 28093069. The next prime is 28093103. The reversal of 28093102 is 20139082.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20139082 = 2 ⋅10069541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28093103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7023274 + ... + 7023277.

It is an arithmetic number, because the mean of its divisors is an integer number (10534914).

Almost surely, 2^28093102 is an apocalyptic number.

28093102 is a deficient number, since it is larger than the sum of its proper divisors (14046554).

28093102 is a wasteful number, since it uses less digits than its factorization.

28093102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14046553.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 28093102 is about 5300.2926334307. The cubic root of 28093102 is about 303.9950873514.

The spelling of 28093102 in words is "twenty-eight million, ninety-three thousand, one hundred two".