1944901 has 8 divisors (see below), whose sum is σ = 2251520. Its totient is φ = 1645488.

The previous prime is 1944883. The next prime is 1944911. The reversal of 1944901 is 1094491.

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

It is a cyclic number.

It is not a de Polignac number, because 1944901 - 2⁹ = 1944389 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1944901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1944911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1206 + ... + 2311.

It is an arithmetic number, because the mean of its divisors is an integer number (281440).

2^1944901 is an apocalyptic number.

It is an amenable number.

1944901 is a deficient number, since it is larger than the sum of its proper divisors (306619).

1944901 is an equidigital number, since it uses as much as digits as its factorization.

1944901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3603.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1944901 is about 1394.5970744269. The cubic root of 1944901 is about 124.8243078405.

It can be divided in two parts, 194490 and 1, that added together give a palindrome (194491).

The spelling of 1944901 in words is "one million, nine hundred forty-four thousand, nine hundred one".