28622704 has 20 divisors (see below), whose sum is σ = 60498360. Its totient is φ = 13010240.

The previous prime is 28622701. The next prime is 28622723. The reversal of 28622704 is 40722682.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28622701) 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, 81139 + ... + 81490.

It is an arithmetic number, because the mean of its divisors is an integer number (3024918).

Almost surely, 2^28622704 is an apocalyptic number.

It is an amenable number.

28622704 is an abundant number, since it is smaller than the sum of its proper divisors (31875656).

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

28622704 is a wasteful number, since it uses less digits than its factorization.

28622704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162648 (or 162642 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 28622704 is about 5350.0190653866. The cubic root of 28622704 is about 305.8934796625.

The spelling of 28622704 in words is "twenty-eight million, six hundred twenty-two thousand, seven hundred four".