28942699 has 2 divisors, whose sum is σ = 28942700. Its totient is φ = 28942698.

The previous prime is 28942663. The next prime is 28942723. The reversal of 28942699 is 99624982.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28942699 - 2²¹ = 26845547 is a prime.

It is not a weakly prime, because it can be changed into another prime (28942099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14471349 + 14471350.

It is an arithmetic number, because the mean of its divisors is an integer number (14471350).

Almost surely, 2^28942699 is an apocalyptic number.

28942699 is a deficient number, since it is larger than the sum of its proper divisors (1).

28942699 is an equidigital number, since it uses as much as digits as its factorization.

28942699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872, while the sum is 49.

The square root of 28942699 is about 5379.8419121755. The cubic root of 28942699 is about 307.0291964721.

The spelling of 28942699 in words is "twenty-eight million, nine hundred forty-two thousand, six hundred ninety-nine".