28619039 has 2 divisors, whose sum is σ = 28619040. Its totient is φ = 28619038.

The previous prime is 28619033. The next prime is 28619053. The reversal of 28619039 is 93091682.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28619039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28618993 and 28619011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28619033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14309519 + 14309520.

It is an arithmetic number, because the mean of its divisors is an integer number (14309520).

Almost surely, 2^28619039 is an apocalyptic number.

28619039 is a deficient number, since it is larger than the sum of its proper divisors (1).

28619039 is an equidigital number, since it uses as much as digits as its factorization.

28619039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 28619039 is about 5349.6765322774. The cubic root of 28619039 is about 305.8804230408.

The spelling of 28619039 in words is "twenty-eight million, six hundred nineteen thousand, thirty-nine".