28854834 has 24 divisors (see below), whose sum is σ = 60334512. Its totient is φ = 9199080.

The previous prime is 28854827. The next prime is 28854841. The reversal of 28854834 is 43845882.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (28854827) and next prime (28854841).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1372 + ... + 7719.

It is an arithmetic number, because the mean of its divisors is an integer number (2513938).

Almost surely, 2^28854834 is an apocalyptic number.

28854834 is an abundant number, since it is smaller than the sum of its proper divisors (31479678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28854834 is a wasteful number, since it uses less digits than its factorization.

28854834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9142 (or 9119 counting only the distinct ones).

The product of its digits is 245760, while the sum is 42.

The square root of 28854834 is about 5371.6695728609. The cubic root of 28854834 is about 306.7181857889.

The spelling of 28854834 in words is "twenty-eight million, eight hundred fifty-four thousand, eight hundred thirty-four".