38845555 has 32 divisors (see below), whose sum is σ = 55655424. Its totient is φ = 25474176.

The previous prime is 38845553. The next prime is 38845567. The reversal of 38845555 is 55554883.

38845555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38845555 - 2¹ = 38845553 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38845553) 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 31 ways as a sum of consecutive naturals, for example, 79522 + ... + 80008.

It is an arithmetic number, because the mean of its divisors is an integer number (1739232).

Almost surely, 2^38845555 is an apocalyptic number.

38845555 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

38845555 is a deficient number, since it is larger than the sum of its proper divisors (16809869).

38845555 is a wasteful number, since it uses less digits than its factorization.

38845555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595.

The product of its digits is 480000, while the sum is 43.

The square root of 38845555 is about 6232.6202355029. The cubic root of 38845555 is about 338.6728976721.

The spelling of 38845555 in words is "thirty-eight million, eight hundred forty-five thousand, five hundred fifty-five".