459978 has 16 divisors (see below), whose sum is σ = 950016. Its totient is φ = 148320.

The previous prime is 459961. The next prime is 460013. The reversal of 459978 is 879954.

It is an unprimeable number.

459978 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1051 + ... + 1422.

It is an arithmetic number, because the mean of its divisors is an integer number (59376).

2⁴⁵⁹⁹⁷⁸ is an apocalyptic number.

459978 is an abundant number, since it is smaller than the sum of its proper divisors (490038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

459978 is a wasteful number, since it uses less digits than its factorization.

459978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2509.

The product of its digits is 90720, while the sum is 42.

The square root of 459978 is about 678.2167795034. The cubic root of 459978 is about 77.1931956382.

The spelling of 459978 in words is "four hundred fifty-nine thousand, nine hundred seventy-eight".