7861093 has 2 divisors, whose sum is σ = 7861094. Its totient is φ = 7861092.

The previous prime is 7861039. The next prime is 7861099. The reversal of 7861093 is 3901687.

Together with previous prime (7861039) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3992004 + 3869089 = 1998^2 + 1967^2 .

It is a cyclic number.

It is not a de Polignac number, because 7861093 - 2⁹ = 7860581 is a prime.

7861093 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7861099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3930546 + 3930547.

It is an arithmetic number, because the mean of its divisors is an integer number (3930547).

Almost surely, 2^7861093 is an apocalyptic number.

It is an amenable number.

7861093 is a deficient number, since it is larger than the sum of its proper divisors (1).

7861093 is an equidigital number, since it uses as much as digits as its factorization.

7861093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 7861093 is about 2803.7640770935. The cubic root of 7861093 is about 198.8356765749.

The spelling of 7861093 in words is "seven million, eight hundred sixty-one thousand, ninety-three".