28898047 has 2 divisors, whose sum is σ = 28898048. Its totient is φ = 28898046.

The previous prime is 28898041. The next prime is 28898059. The reversal of 28898047 is 74089882.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28898047 - 2⁷ = 28897919 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 28897988 and 28898006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28898041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14449023 + 14449024.

It is an arithmetic number, because the mean of its divisors is an integer number (14449024).

Almost surely, 2^28898047 is an apocalyptic number.

28898047 is a deficient number, since it is larger than the sum of its proper divisors (1).

28898047 is an equidigital number, since it uses as much as digits as its factorization.

28898047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 258048, while the sum is 46.

The square root of 28898047 is about 5375.6903742682. The cubic root of 28898047 is about 306.8712231385.

The spelling of 28898047 in words is "twenty-eight million, eight hundred ninety-eight thousand, forty-seven".