1944995 has 16 divisors (see below), whose sum is σ = 2624832. Its totient is φ = 1372800.

The previous prime is 1944991. The next prime is 1944997. The reversal of 1944995 is 5994491.

It is a happy number.

It is not a de Polignac number, because 1944995 - 2² = 1944991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1944991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 845 + ... + 2145.

It is an arithmetic number, because the mean of its divisors is an integer number (164052).

2^1944995 is an apocalyptic number.

1944995 is a deficient number, since it is larger than the sum of its proper divisors (679837).

1944995 is a wasteful number, since it uses less digits than its factorization.

1944995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342.

The product of its digits is 58320, while the sum is 41.

The square root of 1944995 is about 1394.6307755101. The cubic root of 1944995 is about 124.8263187905.

The spelling of 1944995 in words is "one million, nine hundred forty-four thousand, nine hundred ninety-five".