38385655 has 32 divisors (see below), whose sum is σ = 57853440. Its totient is φ = 23752320.

The previous prime is 38385649. The next prime is 38385661. The reversal of 38385655 is 55658383.

It is an interprime number because it is at equal distance from previous prime (38385649) and next prime (38385661).

It is a de Polignac number, because none of the positive numbers 2^k-38385655 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68637 + ... + 69193.

It is an arithmetic number, because the mean of its divisors is an integer number (1807920).

Almost surely, 2^38385655 is an apocalyptic number.

38385655 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

38385655 is a deficient number, since it is larger than the sum of its proper divisors (19467785).

38385655 is a wasteful number, since it uses less digits than its factorization.

38385655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759.

The product of its digits is 432000, while the sum is 43.

The square root of 38385655 is about 6195.6157886041. The cubic root of 38385655 is about 337.3310503273.

The spelling of 38385655 in words is "thirty-eight million, three hundred eighty-five thousand, six hundred fifty-five".