28946634 has 8 divisors (see below), whose sum is σ = 57893280. Its totient is φ = 9648876.

The previous prime is 28946609. The next prime is 28946641. The reversal of 28946634 is 43664982.

It is a happy number.

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

28946634 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2412214 + ... + 2412225.

It is an arithmetic number, because the mean of its divisors is an integer number (7236660).

Almost surely, 2^28946634 is an apocalyptic number.

28946634 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28946634 is a wasteful number, since it uses less digits than its factorization.

28946634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4824444.

The product of its digits is 248832, while the sum is 42.

The square root of 28946634 is about 5380.2076168118. The cubic root of 28946634 is about 307.0431102302.

The spelling of 28946634 in words is "twenty-eight million, nine hundred forty-six thousand, six hundred thirty-four".