318463641 has 12 divisors (see below), whose sum is σ = 460570032. Its totient is φ = 212047416.

The previous prime is 318463619. The next prime is 318463643. The reversal of 318463641 is 146364813.

It is a happy number.

318463641 is a `hidden beast` number, since 3 + 1 + 8 + 4 + 6 + 3 + 641 = 666.

It is not a de Polignac number, because 318463641 - 2⁵ = 318463609 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 318463596 and 318463605.

It is not an unprimeable number, because it can be changed into a prime (318463643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13951 + ... + 28836.

It is an arithmetic number, because the mean of its divisors is an integer number (38380836).

Almost surely, 2^318463641 is an apocalyptic number.

It is an amenable number.

318463641 is a deficient number, since it is larger than the sum of its proper divisors (142106391).

318463641 is a wasteful number, since it uses less digits than its factorization.

318463641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43620 (or 43617 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 318463641 is about 17845.5496132789. The cubic root of 318463641 is about 682.8939817593.

The spelling of 318463641 in words is "three hundred eighteen million, four hundred sixty-three thousand, six hundred forty-one".