39960790 has 8 divisors (see below), whose sum is σ = 71929440. Its totient is φ = 15984312.

The previous prime is 39960779. The next prime is 39960793. The reversal of 39960790 is 9706993.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39960793) 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, 1998030 + ... + 1998049.

It is an arithmetic number, because the mean of its divisors is an integer number (8991180).

Almost surely, 2^39960790 is an apocalyptic number.

39960790 is a deficient number, since it is larger than the sum of its proper divisors (31968650).

39960790 is a wasteful number, since it uses less digits than its factorization.

39960790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3996086.

The product of its (nonzero) digits is 91854, while the sum is 43.

The square root of 39960790 is about 6321.4547376375. The cubic root of 39960790 is about 341.8834058740.

The spelling of 39960790 in words is "thirty-nine million, nine hundred sixty thousand, seven hundred ninety".