28340324 has 48 divisors (see below), whose sum is σ = 56340480. Its totient is φ = 12402720.

The previous prime is 28340251. The next prime is 28340329. The reversal of 28340324 is 42304382.

It is a junction number, because it is equal to n+sod(n) for n = 28340293 and 28340302.

It is not an unprimeable number, because it can be changed into a prime (28340329) 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, 53927 + ... + 54449.

It is an arithmetic number, because the mean of its divisors is an integer number (1173760).

Almost surely, 2^28340324 is an apocalyptic number.

It is an amenable number.

28340324 is a deficient number, since it is larger than the sum of its proper divisors (28000156).

28340324 is a wasteful number, since it uses less digits than its factorization.

28340324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600 (or 598 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 28340324 is about 5323.5630925161. The cubic root of 28340324 is about 304.8842129696.

The spelling of 28340324 in words is "twenty-eight million, three hundred forty thousand, three hundred twenty-four".