28010629 has 2 divisors, whose sum is σ = 28010630. Its totient is φ = 28010628.

The previous prime is 28010621. The next prime is 28010657. The reversal of 28010629 is 92601082.

It is a happy number.

It is an a-pointer prime, because the next prime (28010657) can be obtained adding 28010629 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24502500 + 3508129 = 4950^2 + 1873^2 .

It is a cyclic number.

It is not a de Polignac number, because 28010629 - 2³ = 28010621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28010597 and 28010606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28010621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14005314 + 14005315.

It is an arithmetic number, because the mean of its divisors is an integer number (14005315).

Almost surely, 2^28010629 is an apocalyptic number.

It is an amenable number.

28010629 is a deficient number, since it is larger than the sum of its proper divisors (1).

28010629 is an equidigital number, since it uses as much as digits as its factorization.

28010629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 28010629 is about 5292.5068729289. The cubic root of 28010629 is about 303.6973160221.

The spelling of 28010629 in words is "twenty-eight million, ten thousand, six hundred twenty-nine".