28018035 has 16 divisors (see below), whose sum is σ = 49810080. Its totient is φ = 14942880.

The previous prime is 28018021. The next prime is 28018043. The reversal of 28018035 is 53081082.

It is a happy number.

It is not a de Polignac number, because 28018035 - 2¹¹ = 28015987 is a prime.

It is a super-3 number, since 3×28018035³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103636 + ... + 103905.

It is an arithmetic number, because the mean of its divisors is an integer number (3113130).

Almost surely, 2^28018035 is an apocalyptic number.

28018035 is a deficient number, since it is larger than the sum of its proper divisors (21792045).

28018035 is a wasteful number, since it uses less digits than its factorization.

28018035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207555 (or 207549 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 28018035 is about 5293.2064951218. The cubic root of 28018035 is about 303.7240794830.

The spelling of 28018035 in words is "twenty-eight million, eighteen thousand, thirty-five".