28046834 has 4 divisors (see below), whose sum is σ = 42070254. Its totient is φ = 14023416.

The previous prime is 28046801. The next prime is 28046849. The reversal of 28046834 is 43864082.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20729809 + 7317025 = 4553^2 + 2705^2 .

It is a junction number, because it is equal to n+sod(n) for n = 28046794 and 28046803.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7011707 + ... + 7011710.

Almost surely, 2^28046834 is an apocalyptic number.

28046834 is a deficient number, since it is larger than the sum of its proper divisors (14023420).

28046834 is a wasteful number, since it uses less digits than its factorization.

28046834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14023419.

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 28046834 is about 5295.9261701802. The cubic root of 28046834 is about 303.8281071751.

The spelling of 28046834 in words is "twenty-eight million, forty-six thousand, eight hundred thirty-four".