39120479 has 2 divisors, whose sum is σ = 39120480. Its totient is φ = 39120478.

The previous prime is 39120469. The next prime is 39120509. The reversal of 39120479 is 97402193.

39120479 is nontrivially palindromic in base 13.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39120479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39120439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19560239 + 19560240.

It is an arithmetic number, because the mean of its divisors is an integer number (19560240).

Almost surely, 2^39120479 is an apocalyptic number.

39120479 is a deficient number, since it is larger than the sum of its proper divisors (1).

39120479 is an equidigital number, since it uses as much as digits as its factorization.

39120479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 39120479 is about 6254.6366001551. The cubic root of 39120479 is about 339.4699902548.

The spelling of 39120479 in words is "thirty-nine million, one hundred twenty thousand, four hundred seventy-nine".