1969144 has 16 divisors (see below), whose sum is σ = 3909600. Its totient is φ = 926592.

The previous prime is 1969111. The next prime is 1969147. The reversal of 1969144 is 4419691.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1969147) 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, 7104 + ... + 7375.

It is an arithmetic number, because the mean of its divisors is an integer number (244350).

2^1969144 is an apocalyptic number.

It is an amenable number.

1969144 is a deficient number, since it is larger than the sum of its proper divisors (1940456).

1969144 is a wasteful number, since it uses less digits than its factorization.

1969144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14502 (or 14498 counting only the distinct ones).

The product of its digits is 7776, while the sum is 34.

The square root of 1969144 is about 1403.2619142555. The cubic root of 1969144 is about 125.3408086181.

The spelling of 1969144 in words is "one million, nine hundred sixty-nine thousand, one hundred forty-four".