1918612 has 12 divisors (see below), whose sum is σ = 3408160. Its totient is φ = 944856.

The previous prime is 1918607. The next prime is 1918643. The reversal of 1918612 is 2168191.

It is a happy number.

It is a congruent number.

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, 3312 + ... + 3847.

2^1918612 is an apocalyptic number.

It is an amenable number.

1918612 is a deficient number, since it is larger than the sum of its proper divisors (1489548).

1918612 is a wasteful number, since it uses less digits than its factorization.

1918612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7230 (or 7228 counting only the distinct ones).

The product of its digits is 864, while the sum is 28.

The square root of 1918612 is about 1385.1397041454. The cubic root of 1918612 is about 124.2593427492.

The spelling of 1918612 in words is "one million, nine hundred eighteen thousand, six hundred twelve".