1439994 has 8 divisors (see below), whose sum is σ = 2880000. Its totient is φ = 479996.

The previous prime is 1439989. The next prime is 1440011. The reversal of 1439994 is 4999341.

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

1439994 is an admirable number.

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, 119994 + ... + 120005.

It is an arithmetic number, because the mean of its divisors is an integer number (360000).

2^1439994 is an apocalyptic number.

1439994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1439994 is a wasteful number, since it uses less digits than its factorization.

1439994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240004.

The product of its digits is 34992, while the sum is 39.

The square root of 1439994 is about 1199.9974999974. The cubic root of 1439994 is about 112.9241666262.

The spelling of 1439994 in words is "one million, four hundred thirty-nine thousand, nine hundred ninety-four".