424986 has 16 divisors (see below), whose sum is σ = 856704. Its totient is φ = 140544.

The previous prime is 424967. The next prime is 424997. The reversal of 424986 is 689424.

It is a super-2 number, since 2×424986² = 361226200392, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 975 + ... + 1341.

It is an arithmetic number, because the mean of its divisors is an integer number (53544).

2⁴²⁴⁹⁸⁶ is an apocalyptic number.

424986 is an abundant number, since it is smaller than the sum of its proper divisors (431718).

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

424986 is a wasteful number, since it uses less digits than its factorization.

424986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565.

The product of its digits is 13824, while the sum is 33.

The square root of 424986 is about 651.9095029220. The cubic root of 424986 is about 75.1839042434.

The spelling of 424986 in words is "four hundred twenty-four thousand, nine hundred eighty-six".