39499 has 2 divisors, whose sum is σ = 39500. Its totient is φ = 39498.

The previous prime is 39461. The next prime is 39503. The reversal of 39499 is 99493.

39499 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 39499 - 2⁷ = 39371 is a prime.

It is a nialpdrome in base 15.

It is not a weakly prime, because it can be changed into another prime (39409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19749 + 19750.

It is an arithmetic number, because the mean of its divisors is an integer number (19750).

2³⁹⁴⁹⁹ is an apocalyptic number.

39499 is a deficient number, since it is larger than the sum of its proper divisors (1).

39499 is an equidigital number, since it uses as much as digits as its factorization.

39499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8748, while the sum is 34.

The square root of 39499 is about 198.7435533546. The cubic root of 39499 is about 34.0561356400.

The spelling of 39499 in words is "thirty-nine thousand, four hundred ninety-nine".