384661465 has 16 divisors (see below), whose sum is σ = 490579200. Its totient is φ = 288541440.

The previous prime is 384661463. The next prime is 384661493. The reversal of 384661465 is 564166483.

It is a happy number.

It is not a de Polignac number, because 384661465 - 2¹ = 384661463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (384661463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14686 + ... + 31384.

It is an arithmetic number, because the mean of its divisors is an integer number (30661200).

Almost surely, 2^384661465 is an apocalyptic number.

It is an amenable number.

384661465 is a deficient number, since it is larger than the sum of its proper divisors (105917735).

384661465 is a wasteful number, since it uses less digits than its factorization.

384661465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16992.

The product of its digits is 414720, while the sum is 43.

The square root of 384661465 is about 19612.7883025336. The cubic root of 384661465 is about 727.2653455288.

The spelling of 384661465 in words is "three hundred eighty-four million, six hundred sixty-one thousand, four hundred sixty-five".