104839837 has 2 divisors, whose sum is σ = 104839838. Its totient is φ = 104839836.

The previous prime is 104839769. The next prime is 104839859. The reversal of 104839837 is 738938401.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78481881 + 26357956 = 8859^2 + 5134^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104839837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 104839793 and 104839802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104839877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52419918 + 52419919.

It is an arithmetic number, because the mean of its divisors is an integer number (52419919).

Almost surely, 2^104839837 is an apocalyptic number.

It is an amenable number.

104839837 is a deficient number, since it is larger than the sum of its proper divisors (1).

104839837 is an equidigital number, since it uses as much as digits as its factorization.

104839837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 104839837 is about 10239.1326292807. The cubic root of 104839837 is about 471.5294029413.

The spelling of 104839837 in words is "one hundred four million, eight hundred thirty-nine thousand, eight hundred thirty-seven".