7938893 has 2 divisors, whose sum is σ = 7938894. Its totient is φ = 7938892.

The previous prime is 7938877. The next prime is 7938907. The reversal of 7938893 is 3988397.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7628644 + 310249 = 2762^2 + 557^2 .

It is a cyclic number.

It is not a de Polignac number, because 7938893 - 2⁴ = 7938877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7938803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3969446 + 3969447.

It is an arithmetic number, because the mean of its divisors is an integer number (3969447).

Almost surely, 2^7938893 is an apocalyptic number.

It is an amenable number.

7938893 is a deficient number, since it is larger than the sum of its proper divisors (1).

7938893 is an equidigital number, since it uses as much as digits as its factorization.

7938893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 47.

The square root of 7938893 is about 2817.6041240742. The cubic root of 7938893 is about 199.4894729194.

The spelling of 7938893 in words is "seven million, nine hundred thirty-eight thousand, eight hundred ninety-three".