1943116 has 24 divisors (see below), whose sum is σ = 4021920. Its totient is φ = 803712.

The previous prime is 1943107. The next prime is 1943131. The reversal of 1943116 is 6113491.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385 + ... + 2008.

It is an arithmetic number, because the mean of its divisors is an integer number (167580).

2^1943116 is an apocalyptic number.

It is an amenable number.

1943116 is an abundant number, since it is smaller than the sum of its proper divisors (2078804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1943116 is a wasteful number, since it uses less digits than its factorization.

1943116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2433 (or 2431 counting only the distinct ones).

The product of its digits is 648, while the sum is 25.

The square root of 1943116 is about 1393.9569577286. The cubic root of 1943116 is about 124.7861088801.

The spelling of 1943116 in words is "one million, nine hundred forty-three thousand, one hundred sixteen".