4278893 has 2 divisors, whose sum is σ = 4278894. Its totient is φ = 4278892.

The previous prime is 4278881. The next prime is 4278931. The reversal of 4278893 is 3988724.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3108169 + 1170724 = 1763^2 + 1082^2 .

It is a cyclic number.

It is not a de Polignac number, because 4278893 - 2⁶ = 4278829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4278893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4278193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2139446 + 2139447.

It is an arithmetic number, because the mean of its divisors is an integer number (2139447).

Almost surely, 2^4278893 is an apocalyptic number.

It is an amenable number.

4278893 is a deficient number, since it is larger than the sum of its proper divisors (1).

4278893 is an equidigital number, since it uses as much as digits as its factorization.

4278893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 41.

The square root of 4278893 is about 2068.5485249324. The cubic root of 4278893 is about 162.3468284478.

The spelling of 4278893 in words is "four million, two hundred seventy-eight thousand, eight hundred ninety-three".