38105420 has 24 divisors (see below), whose sum is σ = 82782000. Its totient is φ = 14716352.

The previous prime is 38105407. The next prime is 38105437. The reversal of 38105420 is 2450183.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 32270 + ... + 33429.

It is an arithmetic number, because the mean of its divisors is an integer number (3449250).

Almost surely, 2^38105420 is an apocalyptic number.

It is an amenable number.

38105420 is an abundant number, since it is smaller than the sum of its proper divisors (44676580).

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

38105420 is a wasteful number, since it uses less digits than its factorization.

38105420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65737 (or 65735 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 38105420 is about 6172.9587719342. The cubic root of 38105420 is about 336.5081478789.

The spelling of 38105420 in words is "thirty-eight million, one hundred five thousand, four hundred twenty".