1914912 has 72 divisors (see below), whose sum is σ = 5585580. Its totient is φ = 622080.

The previous prime is 1914889. The next prime is 1914923. The reversal of 1914912 is 2194191.

It can be written as a sum of positive squares in 2 ways, for example, as 1838736 + 76176 = 1356^2 + 276^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17514 + ... + 17622.

2^1914912 is an apocalyptic number.

1914912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1914912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2792790).

1914912 is an abundant number, since it is smaller than the sum of its proper divisors (3670668).

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

1914912 is a wasteful number, since it uses less digits than its factorization.

1914912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 175 counting only the distinct ones).

The product of its digits is 648, while the sum is 27.

The square root of 1914912 is about 1383.8034542521. The cubic root of 1914912 is about 124.1794142331.

The spelling of 1914912 in words is "one million, nine hundred fourteen thousand, nine hundred twelve".