1438984 has 16 divisors (see below), whose sum is σ = 2840400. Its totient is φ = 681552.

The previous prime is 1438979. The next prime is 1438991. The reversal of 1438984 is 4898341.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4582 + ... + 4885.

It is an arithmetic number, because the mean of its divisors is an integer number (177525).

2^1438984 is an apocalyptic number.

It is an amenable number.

1438984 is a deficient number, since it is larger than the sum of its proper divisors (1401416).

1438984 is a wasteful number, since it uses less digits than its factorization.

1438984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9492 (or 9488 counting only the distinct ones).

The product of its digits is 27648, while the sum is 37.

The square root of 1438984 is about 1199.5765919690. The cubic root of 1438984 is about 112.8977590893.

The spelling of 1438984 in words is "one million, four hundred thirty-eight thousand, nine hundred eighty-four".