7860049 has 2 divisors, whose sum is σ = 7860050. Its totient is φ = 7860048.

The previous prime is 7860031. The next prime is 7860079. The reversal of 7860049 is 9400687.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6553600 + 1306449 = 2560^2 + 1143^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7860049 is a prime.

7860049 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 7859996 and 7860023.

It is not a weakly prime, because it can be changed into another prime (7860029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3930024 + 3930025.

It is an arithmetic number, because the mean of its divisors is an integer number (3930025).

Almost surely, 2^7860049 is an apocalyptic number.

It is an amenable number.

7860049 is a deficient number, since it is larger than the sum of its proper divisors (1).

7860049 is an equidigital number, since it uses as much as digits as its factorization.

7860049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 7860049 is about 2803.5778926222. The cubic root of 7860049 is about 198.8268739976.

The spelling of 7860049 in words is "seven million, eight hundred sixty thousand, forty-nine".