28896697 has 2 divisors, whose sum is σ = 28896698. Its totient is φ = 28896696.

The previous prime is 28896689. The next prime is 28896727. The reversal of 28896697 is 79669882.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28472896 + 423801 = 5336^2 + 651^2 .

It is a cyclic number.

It is not a de Polignac number, because 28896697 - 2³ = 28896689 is a prime.

It is not a weakly prime, because it can be changed into another prime (28896797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14448348 + 14448349.

It is an arithmetic number, because the mean of its divisors is an integer number (14448349).

Almost surely, 2^28896697 is an apocalyptic number.

It is an amenable number.

28896697 is a deficient number, since it is larger than the sum of its proper divisors (1).

28896697 is an equidigital number, since it uses as much as digits as its factorization.

28896697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2612736, while the sum is 55.

The square root of 28896697 is about 5375.5648075342. The cubic root of 28896697 is about 306.8664444695.

The spelling of 28896697 in words is "twenty-eight million, eight hundred ninety-six thousand, six hundred ninety-seven".