28346322 has 32 divisors (see below), whose sum is σ = 57974400. Its totient is φ = 9237888.

The previous prime is 28346303. The next prime is 28346323. The reversal of 28346322 is 22364382.

It is a self number, because there is not a number n which added to its sum of digits gives 28346322.

It is not an unprimeable number, because it can be changed into a prime (28346323) 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, 57963 + ... + 58449.

It is an arithmetic number, because the mean of its divisors is an integer number (1811700).

Almost surely, 2^28346322 is an apocalyptic number.

28346322 is an abundant number, since it is smaller than the sum of its proper divisors (29628078).

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

28346322 is a wasteful number, since it uses less digits than its factorization.

28346322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690.

The product of its digits is 13824, while the sum is 30.

The square root of 28346322 is about 5324.1264072146. The cubic root of 28346322 is about 304.9057202103.

The spelling of 28346322 in words is "twenty-eight million, three hundred forty-six thousand, three hundred twenty-two".