423487 has 8 divisors (see below), whose sum is σ = 464400. Its totient is φ = 384384.

The previous prime is 423481. The next prime is 423497. The reversal of 423487 is 784324.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64 + ... + 922.

It is an arithmetic number, because the mean of its divisors is an integer number (58050).

2⁴²³⁴⁸⁷ is an apocalyptic number.

423487 is a deficient number, since it is larger than the sum of its proper divisors (40913).

423487 is a wasteful number, since it uses less digits than its factorization.

423487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905.

The product of its digits is 5376, while the sum is 28.

The square root of 423487 is about 650.7587878777. The cubic root of 423487 is about 75.0954045142.

The spelling of 423487 in words is "four hundred twenty-three thousand, four hundred eighty-seven".