1912816 has 10 divisors (see below), whose sum is σ = 3706112. Its totient is φ = 956400.

The previous prime is 1912763. The next prime is 1912829. The reversal of 1912816 is 6182191.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 59760 + ... + 59791.

2^1912816 is an apocalyptic number.

1912816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1912816 is a deficient number, since it is larger than the sum of its proper divisors (1793296).

1912816 is a wasteful number, since it uses less digits than its factorization.

1912816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119559 (or 119553 counting only the distinct ones).

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

The square root of 1912816 is about 1383.0459139161. The cubic root of 1912816 is about 124.1340901181.

The spelling of 1912816 in words is "one million, nine hundred twelve thousand, eight hundred sixteen".