463978 has 8 divisors (see below), whose sum is σ = 702468. Its totient is φ = 229824.

The previous prime is 463973. The next prime is 463987. The reversal of 463978 is 879364.

It can be written as a sum of positive squares in 2 ways, for example, as 418609 + 45369 = 647^2 + 213^2 .

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

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (463973) 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, 801 + ... + 1252.

2⁴⁶³⁹⁷⁸ is an apocalyptic number.

463978 is a deficient number, since it is larger than the sum of its proper divisors (238490).

463978 is a wasteful number, since it uses less digits than its factorization.

463978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2168.

The product of its digits is 36288, while the sum is 37.

The square root of 463978 is about 681.1593058896. The cubic root of 463978 is about 77.4163092403.

It can be divided in two parts, 463 and 978, that added together give a palindrome (1441).

The spelling of 463978 in words is "four hundred sixty-three thousand, nine hundred seventy-eight".