1916944 has 10 divisors (see below), whose sum is σ = 3714110. Its totient is φ = 958464.

The previous prime is 1916939. The next prime is 1916951. The reversal of 1916944 is 4496191.

It can be written as a sum of positive squares in only one way, i.e., 1904400 + 12544 = 1380^2 + 112^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59889 + ... + 59920.

It is an arithmetic number, because the mean of its divisors is an integer number (371411).

2^1916944 is an apocalyptic number.

It is an amenable number.

1916944 is a deficient number, since it is larger than the sum of its proper divisors (1797166).

1916944 is a wasteful number, since it uses less digits than its factorization.

1916944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119817 (or 119811 counting only the distinct ones).

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

The square root of 1916944 is about 1384.5374678932. The cubic root of 1916944 is about 124.2233228424.

The spelling of 1916944 in words is "one million, nine hundred sixteen thousand, nine hundred forty-four".