468635821 has 16 divisors (see below), whose sum is σ = 516119040. Its totient is φ = 423671040.

The previous prime is 468635813. The next prime is 468635851. The reversal of 468635821 is 128536864.

It is a cyclic number.

It is not a de Polignac number, because 468635821 - 2³ = 468635813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (468635851) 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, 44976 + ... + 54406.

It is an arithmetic number, because the mean of its divisors is an integer number (32257440).

Almost surely, 2^468635821 is an apocalyptic number.

It is an amenable number.

468635821 is a deficient number, since it is larger than the sum of its proper divisors (47483219).

468635821 is a wasteful number, since it uses less digits than its factorization.

468635821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9564.

The product of its digits is 276480, while the sum is 43.

The square root of 468635821 is about 21647.9980829637. The cubic root of 468635821 is about 776.7450492422.

The spelling of 468635821 in words is "four hundred sixty-eight million, six hundred thirty-five thousand, eight hundred twenty-one".