28948853 has 2 divisors, whose sum is σ = 28948854. Its totient is φ = 28948852.

The previous prime is 28948849. The next prime is 28948859. The reversal of 28948853 is 35884982.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18464209 + 10484644 = 4297^2 + 3238^2 .

It is a cyclic number.

It is not a de Polignac number, because 28948853 - 2² = 28948849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28948798 and 28948807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28948859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14474426 + 14474427.

It is an arithmetic number, because the mean of its divisors is an integer number (14474427).

Almost surely, 2^28948853 is an apocalyptic number.

It is an amenable number.

28948853 is a deficient number, since it is larger than the sum of its proper divisors (1).

28948853 is an equidigital number, since it uses as much as digits as its factorization.

28948853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 552960, while the sum is 47.

The square root of 28948853 is about 5380.4138316676. The cubic root of 28948853 is about 307.0509558315.

The spelling of 28948853 in words is "twenty-eight million, nine hundred forty-eight thousand, eight hundred fifty-three".