38649265 has 8 divisors (see below), whose sum is σ = 47510568. Its totient is φ = 30165120.

The previous prime is 38649263. The next prime is 38649271. The reversal of 38649265 is 56294683.

It can be written as a sum of positive squares in 4 ways, for example, as 1597696 + 37051569 = 1264^2 + 6087^2 .

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

It is not a de Polignac number, because 38649265 - 2¹ = 38649263 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38649263) 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, 94062 + ... + 94471.

It is an arithmetic number, because the mean of its divisors is an integer number (5938821).

Almost surely, 2^38649265 is an apocalyptic number.

It is an amenable number.

38649265 is a deficient number, since it is larger than the sum of its proper divisors (8861303).

38649265 is a wasteful number, since it uses less digits than its factorization.

38649265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188579.

The product of its digits is 311040, while the sum is 43.

The square root of 38649265 is about 6216.8533037221. The cubic root of 38649265 is about 338.1014861621.

The spelling of 38649265 in words is "thirty-eight million, six hundred forty-nine thousand, two hundred sixty-five".