28959946 has 8 divisors (see below), whose sum is σ = 44088480. Its totient is φ = 14263788.

The previous prime is 28959929. The next prime is 28959947. The reversal of 28959946 is 64995982.

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

It is a junction number, because it is equal to n+sod(n) for n = 28959893 and 28959902.

It is not an unprimeable number, because it can be changed into a prime (28959947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107926 + ... + 108193.

It is an arithmetic number, because the mean of its divisors is an integer number (5511060).

Almost surely, 2^28959946 is an apocalyptic number.

28959946 is a deficient number, since it is larger than the sum of its proper divisors (15128534).

28959946 is a wasteful number, since it uses less digits than its factorization.

28959946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216188.

The product of its digits is 1399680, while the sum is 52.

The square root of 28959946 is about 5381.4446015917. Note that the first 3 decimals coincide. The cubic root of 28959946 is about 307.0901707563.

The spelling of 28959946 in words is "twenty-eight million, nine hundred fifty-nine thousand, nine hundred forty-six".