28392063 has 16 divisors (see below), whose sum is σ = 44660736. Its totient is φ = 15700320.

The previous prime is 28392031. The next prime is 28392071. The reversal of 28392063 is 36029382.

It is not a de Polignac number, because 28392063 - 2⁵ = 28392031 is a prime.

It is a super-2 number, since 2×28392063² = 1612218482791938, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28392163) 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, 21156 + ... + 22457.

It is an arithmetic number, because the mean of its divisors is an integer number (2791296).

Almost surely, 2^28392063 is an apocalyptic number.

28392063 is a deficient number, since it is larger than the sum of its proper divisors (16268673).

28392063 is a wasteful number, since it uses less digits than its factorization.

28392063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43654.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 28392063 is about 5328.4203099981. The cubic root of 28392063 is about 305.0696356274.

The spelling of 28392063 in words is "twenty-eight million, three hundred ninety-two thousand, sixty-three".