7858049 has 2 divisors, whose sum is σ = 7858050. Its totient is φ = 7858048.

The previous prime is 7858027. The next prime is 7858073. The reversal of 7858049 is 9408587.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5726449 + 2131600 = 2393^2 + 1460^2 .

It is a cyclic number.

It is not a de Polignac number, because 7858049 - 2¹⁶ = 7792513 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 7857997 and 7858015.

It is not a weakly prime, because it can be changed into another prime (7858009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3929024 + 3929025.

It is an arithmetic number, because the mean of its divisors is an integer number (3929025).

Almost surely, 2^7858049 is an apocalyptic number.

It is an amenable number.

7858049 is a deficient number, since it is larger than the sum of its proper divisors (1).

7858049 is an equidigital number, since it uses as much as digits as its factorization.

7858049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 7858049 is about 2803.2211828538. The cubic root of 7858049 is about 198.8100086456.

The spelling of 7858049 in words is "seven million, eight hundred fifty-eight thousand, forty-nine".