1423984 has 20 divisors (see below), whose sum is σ = 2806120. Its totient is φ = 699840.

The previous prime is 1423979. The next prime is 1423991. The reversal of 1423984 is 4893241.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247 + ... + 1705.

It is an arithmetic number, because the mean of its divisors is an integer number (140306).

2^1423984 is an apocalyptic number.

It is an amenable number.

1423984 is a deficient number, since it is larger than the sum of its proper divisors (1382136).

1423984 is a wasteful number, since it uses less digits than its factorization.

1423984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528 (or 1522 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 1423984 is about 1193.3080071800. The cubic root of 1423984 is about 112.5041052000.

The spelling of 1423984 in words is "one million, four hundred twenty-three thousand, nine hundred eighty-four".