463989 has 8 divisors (see below), whose sum is σ = 622432. Its totient is φ = 307440.

The previous prime is 463987. The next prime is 463993. The reversal of 463989 is 989364.

463989 is nontrivially palindromic in base 15.

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

It is not a de Polignac number, because 463989 - 2¹ = 463987 is a prime.

It is a d-powerful number, because it can be written as 4⁴ + 6⁷ + 9² + 3¹¹ + 8 + 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 (463987) 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, 267 + ... + 999.

It is an arithmetic number, because the mean of its divisors is an integer number (77804).

2⁴⁶³⁹⁸⁹ is an apocalyptic number.

It is an amenable number.

463989 is a deficient number, since it is larger than the sum of its proper divisors (158443).

463989 is a wasteful number, since it uses less digits than its factorization.

463989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947.

The product of its digits is 46656, while the sum is 39.

The square root of 463989 is about 681.1673803112. The cubic root of 463989 is about 77.4169210312.

The spelling of 463989 in words is "four hundred sixty-three thousand, nine hundred eighty-nine".