39081648 has 40 divisors (see below), whose sum is σ = 101497968. Its totient is φ = 12957952.

The previous prime is 39081641. The next prime is 39081649. The reversal of 39081648 is 84618093.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (39081641) 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, 7390 + ... + 11522.

Almost surely, 2^39081648 is an apocalyptic number.

It is an amenable number.

39081648 is an abundant number, since it is smaller than the sum of its proper divisors (62416320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39081648 is a wasteful number, since it uses less digits than its factorization.

39081648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4341 (or 4335 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 39081648 is about 6251.5316523233. The cubic root of 39081648 is about 339.3576337311.

The spelling of 39081648 in words is "thirty-nine million, eighty-one thousand, six hundred forty-eight".