28436163 has 16 divisors (see below), whose sum is σ = 43411200. Its totient is φ = 16219296.

The previous prime is 28436159. The next prime is 28436167. The reversal of 28436163 is 36163482.

It is an interprime number because it is at equal distance from previous prime (28436159) and next prime (28436167).

It is not a de Polignac number, because 28436163 - 2² = 28436159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28436167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15888 + ... + 17586.

It is an arithmetic number, because the mean of its divisors is an integer number (2713200).

Almost surely, 2^28436163 is an apocalyptic number.

28436163 is a deficient number, since it is larger than the sum of its proper divisors (14975037).

28436163 is a wasteful number, since it uses less digits than its factorization.

28436163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2506.

The product of its digits is 20736, while the sum is 33.

The square root of 28436163 is about 5332.5568913983. The cubic root of 28436163 is about 305.2275038239.

The spelling of 28436163 in words is "twenty-eight million, four hundred thirty-six thousand, one hundred sixty-three".