1916061 has 16 divisors (see below), whose sum is σ = 3047424. Its totient is φ = 1047024.

The previous prime is 1916051. The next prime is 1916069. The reversal of 1916061 is 1606191.

It is not a de Polignac number, because 1916061 - 2⁶ = 1915997 is a prime.

1916061 is a lucky number.

It is a congruent number.

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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1501 + ... + 2466.

It is an arithmetic number, because the mean of its divisors is an integer number (190464).

2^1916061 is an apocalyptic number.

It is an amenable number.

1916061 is a deficient number, since it is larger than the sum of its proper divisors (1131363).

1916061 is a wasteful number, since it uses less digits than its factorization.

1916061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4000.

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 1916061 is about 1384.2185521080. The cubic root of 1916061 is about 124.2042462913.

The spelling of 1916061 in words is "one million, nine hundred sixteen thousand, sixty-one".