1916146 has 8 divisors (see below), whose sum is σ = 2973420. Its totient is φ = 925008.

The previous prime is 1916129. The next prime is 1916147. The reversal of 1916146 is 6416191.

It can be written as a sum of positive squares in 2 ways, for example, as 1677025 + 239121 = 1295^2 + 489^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1916147) 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 3 ways as a sum of consecutive naturals, for example, 16461 + ... + 16576.

2^1916146 is an apocalyptic number.

1916146 is a deficient number, since it is larger than the sum of its proper divisors (1057274).

1916146 is a wasteful number, since it uses less digits than its factorization.

1916146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33068.

The product of its digits is 1296, while the sum is 28.

The square root of 1916146 is about 1384.2492550115. The cubic root of 1916146 is about 124.2060829073.

The spelling of 1916146 in words is "one million, nine hundred sixteen thousand, one hundred forty-six".