1414440 has 48 divisors (see below), whose sum is σ = 4598100. Its totient is φ = 377088.

The previous prime is 1414423. The next prime is 1414453. The reversal of 1414440 is 444141.

It can be written as a sum of positive squares in 2 ways, for example, as 1313316 + 101124 = 1146^2 + 318^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 1605 + ... + 2324.

2^1414440 is an apocalyptic number.

1414440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1414440 is an abundant number, since it is smaller than the sum of its proper divisors (3183660).

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

1414440 is a wasteful number, since it uses less digits than its factorization.

1414440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3946 (or 3939 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1414440 is about 1189.3023164864. The cubic root of 1414440 is about 112.2521953000.

Adding to 1414440 its reverse (444141), we get a palindrome (1858581).

Subtracting from 1414440 its reverse (444141), we obtain a cube (970299 = 99³).

The spelling of 1414440 in words is "one million, four hundred fourteen thousand, four hundred forty".