28628301 has 16 divisors (see below), whose sum is σ = 41410880. Its totient is φ = 17487360.

The previous prime is 28628297. The next prime is 28628359. The reversal of 28628301 is 10382682.

It is not a de Polignac number, because 28628301 - 2² = 28628297 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28628371) 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, 2781 + ... + 8061.

It is an arithmetic number, because the mean of its divisors is an integer number (2588180).

Almost surely, 2^28628301 is an apocalyptic number.

It is an amenable number.

28628301 is a deficient number, since it is larger than the sum of its proper divisors (12782579).

28628301 is a wasteful number, since it uses less digits than its factorization.

28628301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5436.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 28628301 is about 5350.5421220658. The cubic root of 28628301 is about 305.9134169149.

The spelling of 28628301 in words is "twenty-eight million, six hundred twenty-eight thousand, three hundred one".