28738301 has 2 divisors, whose sum is σ = 28738302. Its totient is φ = 28738300.

The previous prime is 28738289. The next prime is 28738321. The reversal of 28738301 is 10383782.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14638276 + 14100025 = 3826^2 + 3755^2 .

It is a cyclic number.

It is not a de Polignac number, because 28738301 - 2²² = 24543997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28738321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14369150 + 14369151.

It is an arithmetic number, because the mean of its divisors is an integer number (14369151).

Almost surely, 2^28738301 is an apocalyptic number.

It is an amenable number.

28738301 is a deficient number, since it is larger than the sum of its proper divisors (1).

28738301 is an equidigital number, since it uses as much as digits as its factorization.

28738301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 28738301 is about 5360.8115990025. The cubic root of 28738301 is about 306.3047251364.

The spelling of 28738301 in words is "twenty-eight million, seven hundred thirty-eight thousand, three hundred one".