104839069 has 2 divisors, whose sum is σ = 104839070. Its totient is φ = 104839068.

The previous prime is 104839067. The next prime is 104839079. The reversal of 104839069 is 960938401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70476025 + 34363044 = 8395^2 + 5862^2 .

It is an emirp because it is prime and its reverse (960938401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104839069 - 2¹ = 104839067 is a prime.

It is a super-2 number, since 2×104839069² = 21982460777573522, which contains 22 as substring.

Together with 104839067, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104839061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52419534 + 52419535.

It is an arithmetic number, because the mean of its divisors is an integer number (52419535).

Almost surely, 2^104839069 is an apocalyptic number.

It is an amenable number.

104839069 is a deficient number, since it is larger than the sum of its proper divisors (1).

104839069 is an equidigital number, since it uses as much as digits as its factorization.

104839069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 104839069 is about 10239.0951260353. The cubic root of 104839069 is about 471.5282515486.

The spelling of 104839069 in words is "one hundred four million, eight hundred thirty-nine thousand, sixty-nine".