423916 has 12 divisors (see below), whose sum is σ = 748440. Its totient is φ = 210080.

The previous prime is 423887. The next prime is 423931. The reversal of 423916 is 619324.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 120 + ... + 928.

It is an arithmetic number, because the mean of its divisors is an integer number (62370).

2⁴²³⁹¹⁶ is an apocalyptic number.

It is an amenable number.

423916 is a deficient number, since it is larger than the sum of its proper divisors (324524).

423916 is a wasteful number, since it uses less digits than its factorization.

423916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944 (or 942 counting only the distinct ones).

The product of its digits is 1296, while the sum is 25.

The square root of 423916 is about 651.0883196618. The cubic root of 423916 is about 75.1207536246.

The spelling of 423916 in words is "four hundred twenty-three thousand, nine hundred sixteen".