1916742 has 16 divisors (see below), whose sum is σ = 3897072. Its totient is φ = 628320.

The previous prime is 1916741. The next prime is 1916749. The reversal of 1916742 is 2476191.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1916741) 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 7 ways as a sum of consecutive naturals, for example, 2253 + ... + 2984.

It is an arithmetic number, because the mean of its divisors is an integer number (243567).

2^1916742 is an apocalyptic number.

1916742 is an abundant number, since it is smaller than the sum of its proper divisors (1980330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1916742 is a wasteful number, since it uses less digits than its factorization.

1916742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5303.

The product of its digits is 3024, while the sum is 30.

The square root of 1916742 is about 1384.4645174218. The cubic root of 1916742 is about 124.2189593011.

It can be divided in two parts, 19 and 16742, that added together give a palindrome (16761).

The spelling of 1916742 in words is "one million, nine hundred sixteen thousand, seven hundred forty-two".