1944879 has 4 divisors (see below), whose sum is σ = 2593176. Its totient is φ = 1296584.

The previous prime is 1944853. The next prime is 1944881. The reversal of 1944879 is 9784491.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9784491 = 3 ⋅3261497.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1944879 is a prime.

It is an Ulam number.

It is a D-number.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 1944879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1944829) 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, 324144 + ... + 324149.

It is an arithmetic number, because the mean of its divisors is an integer number (648294).

2^1944879 is an apocalyptic number.

1944879 is a deficient number, since it is larger than the sum of its proper divisors (648297).

1944879 is an equidigital number, since it uses as much as digits as its factorization.

1944879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648296.

The product of its digits is 72576, while the sum is 42.

The square root of 1944879 is about 1394.5891868217. The cubic root of 1944879 is about 124.8238371833.

The spelling of 1944879 in words is "one million, nine hundred forty-four thousand, eight hundred seventy-nine".