39949782 has 16 divisors (see below), whose sum is σ = 79965552. Its totient is φ = 13305600.

The previous prime is 39949739. The next prime is 39949829. The reversal of 39949782 is 28794993.

39949782 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8958 + ... + 12654.

It is an arithmetic number, because the mean of its divisors is an integer number (4997847).

Almost surely, 2^39949782 is an apocalyptic number.

39949782 is an abundant number, since it is smaller than the sum of its proper divisors (40015770).

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

39949782 is a wasteful number, since it uses less digits than its factorization.

39949782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5503.

The product of its digits is 979776, while the sum is 51.

The square root of 39949782 is about 6320.5839920058. The cubic root of 39949782 is about 341.8520101137.

The spelling of 39949782 in words is "thirty-nine million, nine hundred forty-nine thousand, seven hundred eighty-two".