118838849 has 2 divisors, whose sum is σ = 118838850. Its totient is φ = 118838848.

The previous prime is 118838827. The next prime is 118838887. The reversal of 118838849 is 948838811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97614400 + 21224449 = 9880^2 + 4607^2 .

It is a cyclic number.

It is not a de Polignac number, because 118838849 - 2²⁴ = 102061633 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 118838797 and 118838806.

It is not a weakly prime, because it can be changed into another prime (118838809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59419424 + 59419425.

It is an arithmetic number, because the mean of its divisors is an integer number (59419425).

Almost surely, 2^118838849 is an apocalyptic number.

It is an amenable number.

118838849 is a deficient number, since it is larger than the sum of its proper divisors (1).

118838849 is an equidigital number, since it uses as much as digits as its factorization.

118838849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 442368, while the sum is 50.

The square root of 118838849 is about 10901.3232683010. The cubic root of 118838849 is about 491.6463420626.

The spelling of 118838849 in words is "one hundred eighteen million, eight hundred thirty-eight thousand, eight hundred forty-nine".