1916049 has 16 divisors (see below), whose sum is σ = 2654208. Its totient is φ = 1228752.

The previous prime is 1916027. The next prime is 1916051. The reversal of 1916049 is 9406191.

It is not a de Polignac number, because 1916049 - 2¹¹ = 1914001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1916069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15024 + ... + 15150.

It is an arithmetic number, because the mean of its divisors is an integer number (165888).

2^1916049 is an apocalyptic number.

It is an amenable number.

1916049 is a deficient number, since it is larger than the sum of its proper divisors (738159).

1916049 is a wasteful number, since it uses less digits than its factorization.

1916049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 1916049 is about 1384.2142175256. The cubic root of 1916049 is about 124.2039869999.

The spelling of 1916049 in words is "one million, nine hundred sixteen thousand, forty-nine".