463721 has 8 divisors (see below), whose sum is σ = 485184. Its totient is φ = 442800.

The previous prime is 463717. The next prime is 463741. The reversal of 463721 is 127364.

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 463721 - 2² = 463717 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (463711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2996 + ... + 3146.

It is an arithmetic number, because the mean of its divisors is an integer number (60648).

2⁴⁶³⁷²¹ is an apocalyptic number.

It is an amenable number.

463721 is a deficient number, since it is larger than the sum of its proper divisors (21463).

463721 is a wasteful number, since it uses less digits than its factorization.

463721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271.

The product of its digits is 1008, while the sum is 23.

The square root of 463721 is about 680.9706307911. The cubic root of 463721 is about 77.4020128253.

The spelling of 463721 in words is "four hundred sixty-three thousand, seven hundred twenty-one".