83419439 has 2 divisors, whose sum is σ = 83419440. Its totient is φ = 83419438.

The previous prime is 83419417. The next prime is 83419463. The reversal of 83419439 is 93491438.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83419439 - 2¹⁶ = 83353903 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 83419396 and 83419405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83419939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41709719 + 41709720.

It is an arithmetic number, because the mean of its divisors is an integer number (41709720).

Almost surely, 2^83419439 is an apocalyptic number.

83419439 is a deficient number, since it is larger than the sum of its proper divisors (1).

83419439 is an equidigital number, since it uses as much as digits as its factorization.

83419439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 41.

The square root of 83419439 is about 9133.4242757030. The cubic root of 83419439 is about 436.9406210394.

The spelling of 83419439 in words is "eighty-three million, four hundred nineteen thousand, four hundred thirty-nine".