38964155 has 8 divisors (see below), whose sum is σ = 49218000. Its totient is φ = 29530656.

The previous prime is 38964151. The next prime is 38964173. The reversal of 38964155 is 55146983.

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

It is a cyclic number.

It is not a de Polignac number, because 38964155 - 2² = 38964151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38964151) 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, 204980 + ... + 205169.

It is an arithmetic number, because the mean of its divisors is an integer number (6152250).

Almost surely, 2^38964155 is an apocalyptic number.

38964155 is a deficient number, since it is larger than the sum of its proper divisors (10253845).

38964155 is a wasteful number, since it uses less digits than its factorization.

38964155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410173.

The product of its digits is 129600, while the sum is 41.

The square root of 38964155 is about 6242.1274418262. The cubic root of 38964155 is about 339.0172167505.

The spelling of 38964155 in words is "thirty-eight million, nine hundred sixty-four thousand, one hundred fifty-five".