465386381 has 4 divisors (see below), whose sum is σ = 465429600. Its totient is φ = 465343164.

The previous prime is 465386371. The next prime is 465386387. The reversal of 465386381 is 183683564.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-465386381 is a prime.

It is a super-2 number, since 2×465386381² = 433168967240554322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (465386387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8930 + ... + 31788.

It is an arithmetic number, because the mean of its divisors is an integer number (116357400).

Almost surely, 2^465386381 is an apocalyptic number.

It is an amenable number.

465386381 is a deficient number, since it is larger than the sum of its proper divisors (43219).

465386381 is a wasteful number, since it uses less digits than its factorization.

465386381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43218.

The product of its digits is 414720, while the sum is 44.

The square root of 465386381 is about 21572.8157874673. The cubic root of 465386381 is about 774.9456117226.

The spelling of 465386381 in words is "four hundred sixty-five million, three hundred eighty-six thousand, three hundred eighty-one".