28450163 has 16 divisors (see below), whose sum is σ = 36241920. Its totient is φ = 21741696.

The previous prime is 28450153. The next prime is 28450193. The reversal of 28450163 is 36105482.

It is a cyclic number.

It is not a de Polignac number, because 28450163 - 2⁸ = 28449907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28450153) 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, 4031 + ... + 8552.

It is an arithmetic number, because the mean of its divisors is an integer number (2265120).

Almost surely, 2^28450163 is an apocalyptic number.

28450163 is a deficient number, since it is larger than the sum of its proper divisors (7791757).

28450163 is a wasteful number, since it uses less digits than its factorization.

28450163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12626.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 28450163 is about 5333.8694209739. The cubic root of 28450163 is about 305.2775865768.

The spelling of 28450163 in words is "twenty-eight million, four hundred fifty thousand, one hundred sixty-three".