39005420 has 12 divisors (see below), whose sum is σ = 81911424. Its totient is φ = 15602160.

The previous prime is 39005399. The next prime is 39005443. The reversal of 39005420 is 2450093.

39005420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3 ways as a sum of consecutive naturals, for example, 975116 + ... + 975155.

It is an arithmetic number, because the mean of its divisors is an integer number (6825952).

Almost surely, 2^39005420 is an apocalyptic number.

It is an amenable number.

39005420 is an abundant number, since it is smaller than the sum of its proper divisors (42906004).

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

39005420 is a wasteful number, since it uses less digits than its factorization.

39005420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1950280 (or 1950278 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 39005420 is about 6245.4319306194. The cubic root of 39005420 is about 339.1368532883.

The spelling of 39005420 in words is "thirty-nine million, five thousand, four hundred twenty".