38972265 has 8 divisors (see below), whose sum is σ = 62355648. Its totient is φ = 20785200.

The previous prime is 38972261. The next prime is 38972293. The reversal of 38972265 is 56227983.

38972265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 38972265 - 2² = 38972261 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38972261) 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 7 ways as a sum of consecutive naturals, for example, 1299061 + ... + 1299090.

It is an arithmetic number, because the mean of its divisors is an integer number (7794456).

Almost surely, 2^38972265 is an apocalyptic number.

It is an amenable number.

38972265 is a deficient number, since it is larger than the sum of its proper divisors (23383383).

38972265 is a wasteful number, since it uses less digits than its factorization.

38972265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2598159.

The product of its digits is 181440, while the sum is 42.

The square root of 38972265 is about 6242.7770262921. Note that the first 3 decimals coincide. The cubic root of 38972265 is about 339.0407361355.

The spelling of 38972265 in words is "thirty-eight million, nine hundred seventy-two thousand, two hundred sixty-five".