28842065 has 32 divisors (see below), whose sum is σ = 41126400. Its totient is φ = 19008000.

The previous prime is 28842049. The next prime is 28842101. The reversal of 28842065 is 56024882.

It is not a de Polignac number, because 28842065 - 2⁴ = 28842049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

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, 144836 + ... + 145034.

It is an arithmetic number, because the mean of its divisors is an integer number (1285200).

Almost surely, 2^28842065 is an apocalyptic number.

It is an amenable number.

28842065 is a deficient number, since it is larger than the sum of its proper divisors (12284335).

28842065 is a wasteful number, since it uses less digits than its factorization.

28842065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353.

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 28842065 is about 5370.4808909445. The cubic root of 28842065 is about 306.6729355734.

The spelling of 28842065 in words is "twenty-eight million, eight hundred forty-two thousand, sixty-five".