1443964 has 12 divisors (see below), whose sum is σ = 2535624. Its totient is φ = 719504.

The previous prime is 1443961. The next prime is 1443971. The reversal of 1443964 is 4693441.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1443961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1482 + ... + 2254.

It is an arithmetic number, because the mean of its divisors is an integer number (211302).

2^1443964 is an apocalyptic number.

It is an amenable number.

1443964 is a deficient number, since it is larger than the sum of its proper divisors (1091660).

1443964 is a wasteful number, since it uses less digits than its factorization.

1443964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244 (or 1242 counting only the distinct ones).

The product of its digits is 10368, while the sum is 31.

The square root of 1443964 is about 1201.6505315607. The cubic root of 1443964 is about 113.0278470540.

It can be divided in two parts, 144396 and 4, that added together give a square (144400 = 380²).

The spelling of 1443964 in words is "one million, four hundred forty-three thousand, nine hundred sixty-four".