28341815 has 16 divisors (see below), whose sum is σ = 35130240. Its totient is φ = 21934080.

The previous prime is 28341767. The next prime is 28341821. The reversal of 28341815 is 51814382.

It is not a de Polignac number, because 28341815 - 2¹⁰ = 28340791 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43895 + ... + 44535.

It is an arithmetic number, because the mean of its divisors is an integer number (2195640).

Almost surely, 2^28341815 is an apocalyptic number.

28341815 is a deficient number, since it is larger than the sum of its proper divisors (6788425).

28341815 is a wasteful number, since it uses less digits than its factorization.

28341815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922.

The product of its digits is 7680, while the sum is 32.

The square root of 28341815 is about 5323.7031284624. The cubic root of 28341815 is about 304.8895595844.

The spelling of 28341815 in words is "twenty-eight million, three hundred forty-one thousand, eight hundred fifteen".