466921021 has 4 divisors (see below), whose sum is σ = 533624032. Its totient is φ = 400218012.

The previous prime is 466920989. The next prime is 466921051. The reversal of 466921021 is 120129664.

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.

It is a cyclic number.

It is not a de Polignac number, because 466921021 - 2⁵ = 466920989 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 (466921051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33351495 + ... + 33351508.

It is an arithmetic number, because the mean of its divisors is an integer number (133406008).

Almost surely, 2^466921021 is an apocalyptic number.

It is an amenable number.

466921021 is a deficient number, since it is larger than the sum of its proper divisors (66703011).

466921021 is an equidigital number, since it uses as much as digits as its factorization.

466921021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66703010.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 466921021 is about 21608.3553515764. The cubic root of 466921021 is about 775.7964872887.

The spelling of 466921021 in words is "four hundred sixty-six million, nine hundred twenty-one thousand, twenty-one".