28642314 has 64 divisors (see below), whose sum is σ = 65629440. Its totient is φ = 8279040.

The previous prime is 28642309. The next prime is 28642321. The reversal of 28642314 is 41324682.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67824 + ... + 68244.

It is an arithmetic number, because the mean of its divisors is an integer number (1025460).

Almost surely, 2^28642314 is an apocalyptic number.

28642314 is an abundant number, since it is smaller than the sum of its proper divisors (36987126).

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

28642314 is a wasteful number, since it uses less digits than its factorization.

28642314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495.

The product of its digits is 9216, while the sum is 30.

The square root of 28642314 is about 5351.8514553377. The cubic root of 28642314 is about 305.9633216749.

Adding to 28642314 its reverse (41324682), we get a palindrome (69966996).

The spelling of 28642314 in words is "twenty-eight million, six hundred forty-two thousand, three hundred fourteen".