39384420 has 24 divisors (see below), whose sum is σ = 110276544. Its totient is φ = 10502496.

The previous prime is 39384403. The next prime is 39384421. The reversal of 39384420 is 2448393.

39384420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×39384420² = 3102265077472800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (39384421) 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 in 7 ways as a sum of consecutive naturals, for example, 328144 + ... + 328263.

It is an arithmetic number, because the mean of its divisors is an integer number (4594856).

Almost surely, 2^39384420 is an apocalyptic number.

39384420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

39384420 is an abundant number, since it is smaller than the sum of its proper divisors (70892124).

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

39384420 is a wasteful number, since it uses less digits than its factorization.

39384420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656419 (or 656417 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 39384420 is about 6275.7007576844. The cubic root of 39384420 is about 340.2317336017.

The spelling of 39384420 in words is "thirty-nine million, three hundred eighty-four thousand, four hundred twenty".