1816934 has 16 divisors (see below), whose sum is σ = 3133728. Its totient is φ = 773952.

The previous prime is 1816933. The next prime is 1816949. The reversal of 1816934 is 4396181.

1816934 = T₇₁₇ + T₇₁₈ + ... + T₇₂₃.

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 1816934.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1816933) 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, 2984 + ... + 3540.

It is an arithmetic number, because the mean of its divisors is an integer number (195858).

2^1816934 is an apocalyptic number.

1816934 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1816934 is a deficient number, since it is larger than the sum of its proper divisors (1316794).

1816934 is a wasteful number, since it uses less digits than its factorization.

1816934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799.

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

The square root of 1816934 is about 1347.9369421453. The cubic root of 1816934 is about 122.0243165720.

The spelling of 1816934 in words is "one million, eight hundred sixteen thousand, nine hundred thirty-four".