38813420 has 24 divisors (see below), whose sum is σ = 85053024. Its totient is φ = 14850176.

The previous prime is 38813381. The next prime is 38813461. The reversal of 38813420 is 2431883.

It is a happy number.

38813420 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 7 ways as a sum of consecutive naturals, for example, 41729 + ... + 42648.

It is an arithmetic number, because the mean of its divisors is an integer number (3543876).

Almost surely, 2^38813420 is an apocalyptic number.

It is an amenable number.

38813420 is an abundant number, since it is smaller than the sum of its proper divisors (46239604).

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

38813420 is a wasteful number, since it uses less digits than its factorization.

38813420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84409 (or 84407 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 38813420 is about 6230.0417334076. The cubic root of 38813420 is about 338.5794828142.

The spelling of 38813420 in words is "thirty-eight million, eight hundred thirteen thousand, four hundred twenty".