39073439 has 2 divisors, whose sum is σ = 39073440. Its totient is φ = 39073438.

The previous prime is 39073417. The next prime is 39073453. The reversal of 39073439 is 93437093.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 39073439 - 2⁸ = 39073183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39073409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19536719 + 19536720.

It is an arithmetic number, because the mean of its divisors is an integer number (19536720).

Almost surely, 2^39073439 is an apocalyptic number.

39073439 is a deficient number, since it is larger than the sum of its proper divisors (1).

39073439 is an equidigital number, since it uses as much as digits as its factorization.

39073439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61236, while the sum is 38.

The square root of 39073439 is about 6250.8750587418. The cubic root of 39073439 is about 339.3338716669. Note that the first 3 decimals are identical.

The spelling of 39073439 in words is "thirty-nine million, seventy-three thousand, four hundred thirty-nine".