28163035 has 32 divisors (see below), whose sum is σ = 37509120. Its totient is φ = 20217600.

The previous prime is 28163021. The next prime is 28163041. The reversal of 28163035 is 53036182.

It is not a de Polignac number, because 28163035 - 2²¹ = 26065883 is a prime.

It is a super-2 number, since 2×28163035² = 1586313080822450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28162994 and 28163012.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 214920 + ... + 215050.

It is an arithmetic number, because the mean of its divisors is an integer number (1172160).

Almost surely, 2^28163035 is an apocalyptic number.

28163035 is a deficient number, since it is larger than the sum of its proper divisors (9346085).

28163035 is a wasteful number, since it uses less digits than its factorization.

28163035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 28163035 is about 5306.8856215298. The cubic root of 28163035 is about 304.2471263553.

The spelling of 28163035 in words is "twenty-eight million, one hundred sixty-three thousand, thirty-five".