28368105 has 32 divisors (see below), whose sum is σ = 46932480. Its totient is φ = 14622720.

The previous prime is 28368079. The next prime is 28368133. The reversal of 28368105 is 50186382.

It is a happy number.

It is not a de Polignac number, because 28368105 - 2¹² = 28364009 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118576 + ... + 118814.

It is an arithmetic number, because the mean of its divisors is an integer number (1466640).

Almost surely, 2^28368105 is an apocalyptic number.

It is an amenable number.

28368105 is a deficient number, since it is larger than the sum of its proper divisors (18564375).

28368105 is a wasteful number, since it uses less digits than its factorization.

28368105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 28368105 is about 5326.1717020765. The cubic root of 28368105 is about 304.9838027769.

The spelling of 28368105 in words is "twenty-eight million, three hundred sixty-eight thousand, one hundred five".