38645855 has 8 divisors (see below), whose sum is σ = 46418064. Its totient is φ = 30888000.

The previous prime is 38645837. The next prime is 38645857. The reversal of 38645855 is 55854683.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38645855 - 2⁸ = 38645599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38645857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3680 + ... + 9530.

It is an arithmetic number, because the mean of its divisors is an integer number (5802258).

Almost surely, 2^38645855 is an apocalyptic number.

38645855 is a deficient number, since it is larger than the sum of its proper divisors (7772209).

38645855 is a wasteful number, since it uses less digits than its factorization.

38645855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7177.

The product of its digits is 576000, while the sum is 44.

The square root of 38645855 is about 6216.5790431716. The cubic root of 38645855 is about 338.0915423769.

The spelling of 38645855 in words is "thirty-eight million, six hundred forty-five thousand, eight hundred fifty-five".