463909 has 4 divisors (see below), whose sum is σ = 472716. Its totient is φ = 455104.

The previous prime is 463907. The next prime is 463919. The reversal of 463909 is 909364.

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 372100 + 91809 = 610^2 + 303^2 .

It is a cyclic number.

It is not a de Polignac number, because 463909 - 2¹ = 463907 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 4⁴ + 6⁷ + 9 + 3¹¹ + 0 + 9⁴ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (463907) 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, 4324 + ... + 4429.

It is an arithmetic number, because the mean of its divisors is an integer number (118179).

2⁴⁶³⁹⁰⁹ is an apocalyptic number.

It is an amenable number.

463909 is a deficient number, since it is larger than the sum of its proper divisors (8807).

463909 is an equidigital number, since it uses as much as digits as its factorization.

463909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8806.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 463909 is about 681.1086550617. The cubic root of 463909 is about 77.4124714217.

The spelling of 463909 in words is "four hundred sixty-three thousand, nine hundred nine".