39481117 has 4 divisors (see below), whose sum is σ = 42518140. Its totient is φ = 36444096.

The previous prime is 39481103. The next prime is 39481129. The reversal of 39481117 is 71118493.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25260676 + 14220441 = 5026^2 + 3771^2 .

It is not a de Polignac number, because 39481117 - 2¹⁹ = 38956829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39481147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1518492 + ... + 1518517.

It is an arithmetic number, because the mean of its divisors is an integer number (10629535).

Almost surely, 2^39481117 is an apocalyptic number.

It is an amenable number.

39481117 is a deficient number, since it is larger than the sum of its proper divisors (3037023).

39481117 is a wasteful number, since it uses less digits than its factorization.

39481117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3037022.

The product of its digits is 6048, while the sum is 34.

The square root of 39481117 is about 6283.4001145876. The cubic root of 39481117 is about 340.5099527524.

The spelling of 39481117 in words is "thirty-nine million, four hundred eighty-one thousand, one hundred seventeen".