28361535 has 8 divisors (see below), whose sum is σ = 45378480. Its totient is φ = 15126144.

The previous prime is 28361483. The next prime is 28361537. The reversal of 28361535 is 53516382.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28361535 - 2¹⁵ = 28328767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28361496 and 28361505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28361537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 945370 + ... + 945399.

It is an arithmetic number, because the mean of its divisors is an integer number (5672310).

Almost surely, 2^28361535 is an apocalyptic number.

28361535 is a deficient number, since it is larger than the sum of its proper divisors (17016945).

28361535 is a wasteful number, since it uses less digits than its factorization.

28361535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890777.

The product of its digits is 21600, while the sum is 33.

The square root of 28361535 is about 5325.5549006653. The cubic root of 28361535 is about 304.9602563998.

It can be divided in two parts, 2836 and 1535, that added together give a triangular number (4371 = T₉₃).

The spelling of 28361535 in words is "twenty-eight million, three hundred sixty-one thousand, five hundred thirty-five".