1916834 has 16 divisors (see below), whose sum is σ = 3072480. Its totient is φ = 894240.

The previous prime is 1916833. The next prime is 1916839. The reversal of 1916834 is 4386191.

Added to its reverse (4386191) it gives a triangular number (6303025 = T₃₅₅₀).

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1916834.

It is not an unprimeable number, because it can be changed into a prime (1916833) 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, 2429 + ... + 3119.

It is an arithmetic number, because the mean of its divisors is an integer number (192030).

2^1916834 is an apocalyptic number.

1916834 is a deficient number, since it is larger than the sum of its proper divisors (1155646).

1916834 is a wasteful number, since it uses less digits than its factorization.

1916834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785.

The product of its digits is 5184, while the sum is 32.

The square root of 1916834 is about 1384.4977428656. The cubic root of 1916834 is about 124.2209466945.

Adding to 1916834 its reverse (4386191), we get a triangular number (6303025 = T₃₅₅₀).

The spelling of 1916834 in words is "one million, nine hundred sixteen thousand, eight hundred thirty-four".