1439966 has 32 divisors (see below), whose sum is σ = 2544480. Its totient is φ = 604800.

The previous prime is 1439947. The next prime is 1439969. The reversal of 1439966 is 6699341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1439969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23576 + ... + 23636.

It is an arithmetic number, because the mean of its divisors is an integer number (79515).

2^1439966 is an apocalyptic number.

1439966 is a deficient number, since it is larger than the sum of its proper divisors (1104514).

1439966 is a wasteful number, since it uses less digits than its factorization.

1439966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140.

The product of its digits is 34992, while the sum is 38.

The square root of 1439966 is about 1199.9858332497. The cubic root of 1439966 is about 112.9234347025.

The spelling of 1439966 in words is "one million, four hundred thirty-nine thousand, nine hundred sixty-six".