39486479 has 2 divisors, whose sum is σ = 39486480. Its totient is φ = 39486478.

The previous prime is 39486457. The next prime is 39486493. The reversal of 39486479 is 97468493.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39486479 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39486409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19743239 + 19743240.

It is an arithmetic number, because the mean of its divisors is an integer number (19743240).

Almost surely, 2^39486479 is an apocalyptic number.

39486479 is a deficient number, since it is larger than the sum of its proper divisors (1).

39486479 is an equidigital number, since it uses as much as digits as its factorization.

39486479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 50.

The square root of 39486479 is about 6283.8267799168. The cubic root of 39486479 is about 340.5253671400.

The spelling of 39486479 in words is "thirty-nine million, four hundred eighty-six thousand, four hundred seventy-nine".