1914040 has 32 divisors (see below), whose sum is σ = 4356000. Its totient is φ = 756864.

The previous prime is 1914023. The next prime is 1914043. The reversal of 1914040 is 404191.

It is a junction number, because it is equal to n+sod(n) for n = 1913999 and 1914017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1914043) by changing a digit.

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, 4141 + ... + 4579.

It is an arithmetic number, because the mean of its divisors is an integer number (136125).

2^1914040 is an apocalyptic number.

1914040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1914040 is an abundant number, since it is smaller than the sum of its proper divisors (2441960).

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

1914040 is a wasteful number, since it uses less digits than its factorization.

1914040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559 (or 555 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1914040 is about 1383.4883447286. The cubic root of 1914040 is about 124.1605620369.

The spelling of 1914040 in words is "one million, nine hundred fourteen thousand, forty".