464681861 has 8 divisors (see below), whose sum is σ = 531203904. Its totient is φ = 398194560.

The previous prime is 464681773. The next prime is 464681863. The reversal of 464681861 is 168186464.

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

It is a cyclic number.

It is not a de Polignac number, because 464681861 - 2²² = 460487557 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464681863) 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 7 ways as a sum of consecutive naturals, for example, 33941 + ... + 45621.

It is an arithmetic number, because the mean of its divisors is an integer number (66400488).

Almost surely, 2^464681861 is an apocalyptic number.

It is an amenable number.

464681861 is a deficient number, since it is larger than the sum of its proper divisors (66522043).

464681861 is a wasteful number, since it uses less digits than its factorization.

464681861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17371.

The product of its digits is 221184, while the sum is 44.

The square root of 464681861 is about 21556.4807192640. The cubic root of 464681861 is about 774.5543666286.

The spelling of 464681861 in words is "four hundred sixty-four million, six hundred eighty-one thousand, eight hundred sixty-one".