38945465 has 16 divisors (see below), whose sum is σ = 50476608. Its totient is φ = 28675776.

The previous prime is 38945461. The next prime is 38945483. The reversal of 38945465 is 56454983.

It is a cyclic number.

It is not a de Polignac number, because 38945465 - 2² = 38945461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38945461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29714 + ... + 30996.

It is an arithmetic number, because the mean of its divisors is an integer number (3154788).

Almost surely, 2^38945465 is an apocalyptic number.

It is an amenable number.

38945465 is a deficient number, since it is larger than the sum of its proper divisors (11531143).

38945465 is a wasteful number, since it uses less digits than its factorization.

38945465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1768.

The product of its digits is 518400, while the sum is 44.

The square root of 38945465 is about 6240.6301765126. The cubic root of 38945465 is about 338.9630024334.

It can be divided in two parts, 389 and 45465, that added together give a palindrome (45854).

The spelling of 38945465 in words is "thirty-eight million, nine hundred forty-five thousand, four hundred sixty-five".