39948286 has 32 divisors (see below), whose sum is σ = 72253440. Its totient is φ = 16194816.

The previous prime is 39948253. The next prime is 39948289. The reversal of 39948286 is 68284993.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39948289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30595 + ... + 31873.

It is an arithmetic number, because the mean of its divisors is an integer number (2257920).

Almost surely, 2^39948286 is an apocalyptic number.

39948286 is a deficient number, since it is larger than the sum of its proper divisors (32305154).

39948286 is a wasteful number, since it uses less digits than its factorization.

39948286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408.

The product of its digits is 746496, while the sum is 49.

The square root of 39948286 is about 6320.4656474029. The cubic root of 39948286 is about 341.8477429482.

The spelling of 39948286 in words is "thirty-nine million, nine hundred forty-eight thousand, two hundred eighty-six".