39852281 has 8 divisors (see below), whose sum is σ = 45657024. Its totient is φ = 34075440.

The previous prime is 39852269. The next prime is 39852283. The reversal of 39852281 is 18225893.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 39852281 - 2⁶ = 39852217 is a prime.

It is a super-2 number, since 2×39852281² = 3176408601805922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (39852283) 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 in 7 ways as a sum of consecutive naturals, for example, 3815 + ... + 9708.

It is an arithmetic number, because the mean of its divisors is an integer number (5707128).

Almost surely, 2^39852281 is an apocalyptic number.

It is an amenable number.

39852281 is a deficient number, since it is larger than the sum of its proper divisors (5804743).

39852281 is a wasteful number, since it uses less digits than its factorization.

39852281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13951.

The product of its digits is 34560, while the sum is 38.

The square root of 39852281 is about 6312.8663062035. The cubic root of 39852281 is about 341.5736768022.

The spelling of 39852281 in words is "thirty-nine million, eight hundred fifty-two thousand, two hundred eighty-one".