39493017 has 6 divisors (see below), whose sum is σ = 57045482. Its totient is φ = 26328672.

The previous prime is 39493009. The next prime is 39493021. The reversal of 39493017 is 71039493.

It can be written as a sum of positive squares in only one way, i.e., 30074256 + 9418761 = 5484^2 + 3069^2 .

It is not a de Polignac number, because 39493017 - 2³ = 39493009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39493037) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2194048 + ... + 2194065.

Almost surely, 2^39493017 is an apocalyptic number.

It is an amenable number.

39493017 is a deficient number, since it is larger than the sum of its proper divisors (17552465).

39493017 is a wasteful number, since it uses less digits than its factorization.

39493017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4388119 (or 4388116 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 39493017 is about 6284.3469827819. The cubic root of 39493017 is about 340.5441603408.

The spelling of 39493017 in words is "thirty-nine million, four hundred ninety-three thousand, seventeen".