387448065 has 24 divisors (see below), whose sum is σ = 681041088. Its totient is φ = 203726880.

The previous prime is 387448063. The next prime is 387448081. The reversal of 387448065 is 560844783.

It is not a de Polignac number, because 387448065 - 2¹ = 387448063 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 387448065.

It is not an unprimeable number, because it can be changed into a prime (387448063) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57439 + ... + 63828.

It is an arithmetic number, because the mean of its divisors is an integer number (28376712).

Almost surely, 2^387448065 is an apocalyptic number.

It is an amenable number.

387448065 is a deficient number, since it is larger than the sum of its proper divisors (293593023).

387448065 is a wasteful number, since it uses less digits than its factorization.

387448065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121349 (or 121346 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The square root of 387448065 is about 19683.7004905074. The cubic root of 387448065 is about 729.0172959593.

The spelling of 387448065 in words is "three hundred eighty-seven million, four hundred forty-eight thousand, sixty-five".