465621 has 8 divisors (see below), whose sum is σ = 668640. Its totient is φ = 286512.

The previous prime is 465611. The next prime is 465631. The reversal of 465621 is 126564.

It is an interprime number because it is at equal distance from previous prime (465611) and next prime (465631).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 465621 - 2¹⁷ = 334549 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 465591 and 465600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (465611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5931 + ... + 6008.

It is an arithmetic number, because the mean of its divisors is an integer number (83580).

2⁴⁶⁵⁶²¹ is an apocalyptic number.

It is an amenable number.

465621 is a deficient number, since it is larger than the sum of its proper divisors (203019).

465621 is a wasteful number, since it uses less digits than its factorization.

465621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11955.

The product of its digits is 1440, while the sum is 24.

The square root of 465621 is about 682.3642722183. The cubic root of 465621 is about 77.5075816377.

Adding to 465621 its product of digits (1440), we get a triangular number (467061 = T₉₆₆).

The spelling of 465621 in words is "four hundred sixty-five thousand, six hundred twenty-one".