1916842 has 8 divisors (see below), whose sum is σ = 2974500. Its totient is φ = 925344.

The previous prime is 1916839. The next prime is 1916857. The reversal of 1916842 is 2486191.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1687401 + 229441 = 1299^2 + 479^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16467 + ... + 16582.

2^1916842 is an apocalyptic number.

1916842 is a deficient number, since it is larger than the sum of its proper divisors (1057658).

1916842 is a wasteful number, since it uses less digits than its factorization.

1916842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33080.

The product of its digits is 3456, while the sum is 31.

The square root of 1916842 is about 1384.5006319970. The cubic root of 1916842 is about 124.2211195084.

It can be divided in two parts, 19 and 16842, that added together give a palindrome (16861).

The spelling of 1916842 in words is "one million, nine hundred sixteen thousand, eight hundred forty-two".