38955945 has 32 divisors (see below), whose sum is σ = 72979200. Its totient is φ = 17372160.

The previous prime is 38955941. The next prime is 38955971. The reversal of 38955945 is 54955983.

It is a happy number.

38955945 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 38955945 - 2² = 38955941 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 38955894 and 38955903.

It is not an unprimeable number, because it can be changed into a prime (38955941) 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, 220 + ... + 8829.

It is an arithmetic number, because the mean of its divisors is an integer number (2280600).

Almost surely, 2^38955945 is an apocalyptic number.

38955945 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38955945 is a deficient number, since it is larger than the sum of its proper divisors (34023255).

38955945 is a wasteful number, since it uses less digits than its factorization.

38955945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9105.

The product of its digits is 972000, while the sum is 48.

The square root of 38955945 is about 6241.4697788261. The cubic root of 38955945 is about 338.9934040363.

The spelling of 38955945 in words is "thirty-eight million, nine hundred fifty-five thousand, nine hundred forty-five".