28343093 has 2 divisors, whose sum is σ = 28343094. Its totient is φ = 28343092.

The previous prime is 28343087. The next prime is 28343099. The reversal of 28343093 is 39034382.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (28343087) and next prime (28343099).

It can be written as a sum of positive squares in only one way, i.e., 27857284 + 485809 = 5278^2 + 697^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28343093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28343099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14171546 + 14171547.

It is an arithmetic number, because the mean of its divisors is an integer number (14171547).

Almost surely, 2^28343093 is an apocalyptic number.

It is an amenable number.

28343093 is a deficient number, since it is larger than the sum of its proper divisors (1).

28343093 is an equidigital number, since it uses as much as digits as its factorization.

28343093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 28343093 is about 5323.8231563417. The cubic root of 28343093 is about 304.8941422479.

The spelling of 28343093 in words is "twenty-eight million, three hundred forty-three thousand, ninety-three".