39807058 has 4 divisors (see below), whose sum is σ = 59710590. Its totient is φ = 19903528.

The previous prime is 39807041. The next prime is 39807059. The reversal of 39807058 is 85070893.

39807058 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 39601849 + 205209 = 6293^2 + 453^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 39807058.

It is not an unprimeable number, because it can be changed into a prime (39807059) by changing a digit.

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 as a sum of consecutive naturals, namely, 9951763 + ... + 9951766.

Almost surely, 2^39807058 is an apocalyptic number.

39807058 is a deficient number, since it is larger than the sum of its proper divisors (19903532).

39807058 is a wasteful number, since it uses less digits than its factorization.

39807058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19903531.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 39807058 is about 6309.2834775432. The cubic root of 39807058 is about 341.4444258736. Note that the first 4 decimals are identical.

The spelling of 39807058 in words is "thirty-nine million, eight hundred seven thousand, fifty-eight".