28707846 has 8 divisors (see below), whose sum is σ = 57415704. Its totient is φ = 9569280.

The previous prime is 28707827. The next prime is 28707857. The reversal of 28707846 is 64870782.

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

28707846 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 28707798 and 28707807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2392315 + ... + 2392326.

It is an arithmetic number, because the mean of its divisors is an integer number (7176963).

Almost surely, 2^28707846 is an apocalyptic number.

28707846 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.

28707846 is a wasteful number, since it uses less digits than its factorization.

28707846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4784646.

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 28707846 is about 5357.9703246659. The cubic root of 28707846 is about 306.1964862209.

The spelling of 28707846 in words is "twenty-eight million, seven hundred seven thousand, eight hundred forty-six".