28031035 has 16 divisors (see below), whose sum is σ = 34722432. Its totient is φ = 21712000.

The previous prime is 28031033. The next prime is 28031039. The reversal of 28031035 is 53013082.

It is not a de Polignac number, because 28031035 - 2¹ = 28031033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28030997 and 28031015.

It is not an unprimeable number, because it can be changed into a prime (28031033) 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, 23145 + ... + 24325.

It is an arithmetic number, because the mean of its divisors is an integer number (2170152).

Almost surely, 2^28031035 is an apocalyptic number.

28031035 is a deficient number, since it is larger than the sum of its proper divisors (6691397).

28031035 is a wasteful number, since it uses less digits than its factorization.

28031035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 28031035 is about 5294.4343418348. The cubic root of 28031035 is about 303.7710468800.

The spelling of 28031035 in words is "twenty-eight million, thirty-one thousand, thirty-five".