39140448 has 24 divisors (see below), whose sum is σ = 102743928. Its totient is φ = 13046784.

The previous prime is 39140441. The next prime is 39140501. The reversal of 39140448 is 84404193.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39140441) 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 3 ways as a sum of consecutive naturals, for example, 203761 + ... + 203952.

It is an arithmetic number, because the mean of its divisors is an integer number (4280997).

Almost surely, 2^39140448 is an apocalyptic number.

It is an amenable number.

39140448 is an abundant number, since it is smaller than the sum of its proper divisors (63603480).

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

39140448 is a wasteful number, since it uses less digits than its factorization.

39140448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407726 (or 407718 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 39140448 is about 6256.2327322439. The cubic root of 39140448 is about 339.5277411081.

The spelling of 39140448 in words is "thirty-nine million, one hundred forty thousand, four hundred forty-eight".