402331463 has 4 divisors (see below), whose sum is σ = 402798528. Its totient is φ = 401864400.

The previous prime is 402331453. The next prime is 402331477. The reversal of 402331463 is 364133204.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 402331463 - 2⁶ = 402331399 is a prime.

It is a super-3 number, since 3×402331463³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402331453) 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, 232238 + ... + 233963.

It is an arithmetic number, because the mean of its divisors is an integer number (100699632).

Almost surely, 2^402331463 is an apocalyptic number.

402331463 is a deficient number, since it is larger than the sum of its proper divisors (467065).

402331463 is an equidigital number, since it uses as much as digits as its factorization.

402331463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467064.

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 402331463 is about 20058.2018885044. The cubic root of 402331463 is about 738.2350579208.

Adding to 402331463 its reverse (364133204), we get a palindrome (766464667).

The spelling of 402331463 in words is "four hundred two million, three hundred thirty-one thousand, four hundred sixty-three".