38955845 has 8 divisors (see below), whose sum is σ = 48359160. Its totient is φ = 30089920.

The previous prime is 38955827. The next prime is 38955869. The reversal of 38955845 is 54855983.

It can be written as a sum of positive squares in 4 ways, for example, as 5755201 + 33200644 = 2399^2 + 5762^2 .

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

It is not a de Polignac number, because 38955845 - 2²⁰ = 37907269 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38955845.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134186 + ... + 134475.

It is an arithmetic number, because the mean of its divisors is an integer number (6044895).

Almost surely, 2^38955845 is an apocalyptic number.

It is an amenable number.

38955845 is a deficient number, since it is larger than the sum of its proper divisors (9403315).

38955845 is a wasteful number, since it uses less digits than its factorization.

38955845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268695.

The product of its digits is 864000, while the sum is 47.

The square root of 38955845 is about 6241.4617678874. The cubic root of 38955845 is about 338.9931139704.

The spelling of 38955845 in words is "thirty-eight million, nine hundred fifty-five thousand, eight hundred forty-five".