466687621 has 4 divisors (see below), whose sum is σ = 494139852. Its totient is φ = 439235392.

The previous prime is 466687607. The next prime is 466687649. The reversal of 466687621 is 126786664.

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

It can be written as a sum of positive squares in 2 ways, for example, as 201356100 + 265331521 = 14190^2 + 16289^2 .

It is not a de Polignac number, because 466687621 - 2⁵ = 466687589 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 (466687121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13726090 + ... + 13726123.

It is an arithmetic number, because the mean of its divisors is an integer number (123534963).

Almost surely, 2^466687621 is an apocalyptic number.

It is an amenable number.

466687621 is a deficient number, since it is larger than the sum of its proper divisors (27452231).

466687621 is a wasteful number, since it uses less digits than its factorization.

466687621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27452230.

The product of its digits is 580608, while the sum is 46.

The square root of 466687621 is about 21602.9539878231. The cubic root of 466687621 is about 775.6671998425.

It can be divided in two parts, 46668 and 7621, that added together give a square (54289 = 233²).

The spelling of 466687621 in words is "four hundred sixty-six million, six hundred eighty-seven thousand, six hundred twenty-one".