464670021 has 16 divisors (see below), whose sum is σ = 628911360. Its totient is φ = 305123520.

The previous prime is 464669999. The next prime is 464670043. The reversal of 464670021 is 120076464.

It is an interprime number because it is at equal distance from previous prime (464669999) and next prime (464670043).

It is not a de Polignac number, because 464670021 - 2¹³ = 464661829 is a prime.

It is a super-2 number, since 2×464670021² = 431836456832280882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464670071) 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, 107131 + ... + 111383.

It is an arithmetic number, because the mean of its divisors is an integer number (39306960).

Almost surely, 2^464670021 is an apocalyptic number.

It is an amenable number.

464670021 is a deficient number, since it is larger than the sum of its proper divisors (164241339).

464670021 is a wasteful number, since it uses less digits than its factorization.

464670021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4796.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 464670021 is about 21556.2060901263. The cubic root of 464670021 is about 774.5477880764.

The spelling of 464670021 in words is "four hundred sixty-four million, six hundred seventy thousand, twenty-one".