28794929 has 2 divisors, whose sum is σ = 28794930. Its totient is φ = 28794928.

The previous prime is 28794911. The next prime is 28794949. The reversal of 28794929 is 92949782.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16000000 + 12794929 = 4000^2 + 3577^2 .

It is a cyclic number.

It is not a de Polignac number, because 28794929 - 2⁸ = 28794673 is a prime.

It is a super-2 number, since 2×28794929² = 1658295872230082, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28794949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14397464 + 14397465.

It is an arithmetic number, because the mean of its divisors is an integer number (14397465).

Almost surely, 2^28794929 is an apocalyptic number.

It is an amenable number.

28794929 is a deficient number, since it is larger than the sum of its proper divisors (1).

28794929 is an equidigital number, since it uses as much as digits as its factorization.

28794929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 50.

The square root of 28794929 is about 5366.0906626705. The cubic root of 28794929 is about 306.5057813684.

The spelling of 28794929 in words is "twenty-eight million, seven hundred ninety-four thousand, nine hundred twenty-nine".