8978093 has 2 divisors, whose sum is σ = 8978094. Its totient is φ = 8978092.

The previous prime is 8978071. The next prime is 8978117. The reversal of 8978093 is 3908798.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6538249 + 2439844 = 2557^2 + 1562^2 .

It is a cyclic number.

It is not a de Polignac number, because 8978093 - 2¹⁰ = 8977069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8978063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4489046 + 4489047.

It is an arithmetic number, because the mean of its divisors is an integer number (4489047).

Almost surely, 2^8978093 is an apocalyptic number.

It is an amenable number.

8978093 is a deficient number, since it is larger than the sum of its proper divisors (1).

8978093 is an equidigital number, since it uses as much as digits as its factorization.

8978093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 8978093 is about 2996.3466087888. The cubic root of 8978093 is about 207.8394733451.

The spelling of 8978093 in words is "eight million, nine hundred seventy-eight thousand, ninety-three".