1440414 has 24 divisors (see below), whose sum is σ = 3195192. Its totient is φ = 468720.

The previous prime is 1440403. The next prime is 1440419. The reversal of 1440414 is 4140441.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440419) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 157 + ... + 1704.

It is an arithmetic number, because the mean of its divisors is an integer number (133133).

2^1440414 is an apocalyptic number.

1440414 is an abundant number, since it is smaller than the sum of its proper divisors (1754778).

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

1440414 is a wasteful number, since it uses less digits than its factorization.

1440414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912 (or 1909 counting only the distinct ones).

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

The square root of 1440414 is about 1200.1724876033. The cubic root of 1440414 is about 112.9351443431.

Adding to 1440414 its reverse (4140441), we get a palindrome (5580855).

The spelling of 1440414 in words is "one million, four hundred forty thousand, four hundred fourteen".