731838465 has 24 divisors (see below), whose sum is σ = 1275176448. Its totient is φ = 388265760.

The previous prime is 731838463. The next prime is 731838509. The reversal of 731838465 is 564838137.

731838465 is a `hidden beast` number, since 7 + 3 + 183 + 8 + 465 = 666.

731838465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 731838465 - 2¹ = 731838463 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 731838465.

It is not an unprimeable number, because it can be changed into a prime (731838463) 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, 33979 + ... + 51168.

It is an arithmetic number, because the mean of its divisors is an integer number (53132352).

Almost surely, 2^731838465 is an apocalyptic number.

It is an amenable number.

731838465 is a deficient number, since it is larger than the sum of its proper divisors (543337983).

731838465 is a wasteful number, since it uses less digits than its factorization.

731838465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85349 (or 85346 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 731838465 is about 27052.5130995255. The cubic root of 731838465 is about 901.1665798187.

The spelling of 731838465 in words is "seven hundred thirty-one million, eight hundred thirty-eight thousand, four hundred sixty-five".