28365102 has 24 divisors (see below), whose sum is σ = 61630920. Its totient is φ = 9428400.

The previous prime is 28365091. The next prime is 28365109. The reversal of 28365102 is 20156382.

28365102 is a `hidden beast` number, since 2 + 8 + 3 + 651 + 0 + 2 = 666.

It is a super-2 number, since 2×28365102² = 1609158022940808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28365109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4977 + ... + 9027.

It is an arithmetic number, because the mean of its divisors is an integer number (2567955).

Almost surely, 2^28365102 is an apocalyptic number.

28365102 is an abundant number, since it is smaller than the sum of its proper divisors (33265818).

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

28365102 is a wasteful number, since it uses less digits than its factorization.

28365102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4448 (or 4445 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 28365102 is about 5325.8897848153. The cubic root of 28365102 is about 304.9730407059.

The spelling of 28365102 in words is "twenty-eight million, three hundred sixty-five thousand, one hundred two".