424993 has 4 divisors (see below), whose sum is σ = 428868. Its totient is φ = 421120.

The previous prime is 424967. The next prime is 424997. The reversal of 424993 is 399424.

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 74529 + 350464 = 273^2 + 592^2 .

It is a cyclic number.

It is not a de Polignac number, because 424993 - 2⁵ = 424961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424997) 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, 1768 + ... + 1993.

It is an arithmetic number, because the mean of its divisors is an integer number (107217).

2⁴²⁴⁹⁹³ is an apocalyptic number.

It is an amenable number.

424993 is a deficient number, since it is larger than the sum of its proper divisors (3875).

424993 is a wasteful number, since it uses less digits than its factorization.

424993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3874.

The product of its digits is 7776, while the sum is 31.

The square root of 424993 is about 651.9148717432. The cubic root of 424993 is about 75.1843170291.

The spelling of 424993 in words is "four hundred twenty-four thousand, nine hundred ninety-three".