1818916 has 24 divisors (see below), whose sum is σ = 3530016. Its totient is φ = 813120.

The previous prime is 1818871. The next prime is 1818919. The reversal of 1818916 is 6198181.

1818916 = T₂₀₁ + T₂₀₂ + ... + T₂₆₆.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1818919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2640 + ... + 3256.

It is an arithmetic number, because the mean of its divisors is an integer number (147084).

2^1818916 is an apocalyptic number.

It is an amenable number.

1818916 is a deficient number, since it is larger than the sum of its proper divisors (1711100).

1818916 is a wasteful number, since it uses less digits than its factorization.

1818916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699 (or 697 counting only the distinct ones).

The product of its digits is 3456, while the sum is 34.

The square root of 1818916 is about 1348.6719393537. The cubic root of 1818916 is about 122.0686704684.

The spelling of 1818916 in words is "one million, eight hundred eighteen thousand, nine hundred sixteen".