28846885 has 8 divisors (see below), whose sum is σ = 34817400. Its totient is φ = 22943424.

The previous prime is 28846877. The next prime is 28846897. The reversal of 28846885 is 58864882.

It can be written as a sum of positive squares in 4 ways, for example, as 16916769 + 11930116 = 4113^2 + 3454^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28846885 - 2³ = 28846877 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15810 + ... + 17539.

It is an arithmetic number, because the mean of its divisors is an integer number (4352175).

Almost surely, 2^28846885 is an apocalyptic number.

It is an amenable number.

28846885 is a deficient number, since it is larger than the sum of its proper divisors (5970515).

28846885 is a wasteful number, since it uses less digits than its factorization.

28846885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33527.

The product of its digits is 983040, while the sum is 49.

The square root of 28846885 is about 5370.9296215832. The cubic root of 28846885 is about 306.6900180444.

The spelling of 28846885 in words is "twenty-eight million, eight hundred forty-six thousand, eight hundred eighty-five".