1916144 has 10 divisors (see below), whose sum is σ = 3712560. Its totient is φ = 958064.

The previous prime is 1916129. The next prime is 1916147. The reversal of 1916144 is 4416191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1916147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59864 + ... + 59895.

It is an arithmetic number, because the mean of its divisors is an integer number (371256).

2^1916144 is an apocalyptic number.

It is an amenable number.

1916144 is a deficient number, since it is larger than the sum of its proper divisors (1796416).

1916144 is a wasteful number, since it uses less digits than its factorization.

1916144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119767 (or 119761 counting only the distinct ones).

The product of its digits is 864, while the sum is 26.

The square root of 1916144 is about 1384.2485325981. The cubic root of 1916144 is about 124.2060396934.

The spelling of 1916144 in words is "one million, nine hundred sixteen thousand, one hundred forty-four".