839099497 has 2 divisors, whose sum is σ = 839099498. Its totient is φ = 839099496.

The previous prime is 839099483. The next prime is 839099621. The reversal of 839099497 is 794990938.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 528494121 + 310605376 = 22989^2 + 17624^2 .

It is a cyclic number.

It is not a de Polignac number, because 839099497 - 2¹⁵ = 839066729 is a prime.

It is not a weakly prime, because it can be changed into another prime (839099407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 419549748 + 419549749.

It is an arithmetic number, because the mean of its divisors is an integer number (419549749).

Almost surely, 2^839099497 is an apocalyptic number.

It is an amenable number.

839099497 is a deficient number, since it is larger than the sum of its proper divisors (1).

839099497 is an equidigital number, since it uses as much as digits as its factorization.

839099497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4408992, while the sum is 58.

The square root of 839099497 is about 28967.2141739588. The cubic root of 839099497 is about 943.2015090328.

The spelling of 839099497 in words is "eight hundred thirty-nine million, ninety-nine thousand, four hundred ninety-seven".