28284834 has 32 divisors (see below), whose sum is σ = 59834880. Its totient is φ = 8899200.

The previous prime is 28284833. The next prime is 28284847. The reversal of 28284834 is 43848282.

It is a junction number, because it is equal to n+sod(n) for n = 28284792 and 28284801.

It is not an unprimeable number, because it can be changed into a prime (28284833) 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, 5772 + ... + 9480.

It is an arithmetic number, because the mean of its divisors is an integer number (1869840).

Almost surely, 2^28284834 is an apocalyptic number.

28284834 is an abundant number, since it is smaller than the sum of its proper divisors (31550046).

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

28284834 is a wasteful number, since it uses less digits than its factorization.

28284834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3786.

The product of its digits is 98304, while the sum is 39.

The square root of 28284834 is about 5318.3488039052. The cubic root of 28284834 is about 304.6850964649.

The spelling of 28284834 in words is "twenty-eight million, two hundred eighty-four thousand, eight hundred thirty-four".