1114440 has 64 divisors (see below), whose sum is σ = 3447360. Its totient is φ = 288000.

The previous prime is 1114427. The next prime is 1114447. The reversal of 1114440 is 444111.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1114447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4315 + ... + 4565.

It is an arithmetic number, because the mean of its divisors is an integer number (53865).

2^1114440 is an apocalyptic number.

1114440 is a gapful number since it is divisible by the number (10) 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 1114440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1723680).

1114440 is an abundant number, since it is smaller than the sum of its proper divisors (2332920).

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

1114440 is a wasteful number, since it uses less digits than its factorization.

1114440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1114440 is about 1055.6704031088. The cubic root of 1114440 is about 103.6777500560.

Adding to 1114440 its reverse (444111), we get a palindrome (1558551).

The spelling of 1114440 in words is "one million, one hundred fourteen thousand, four hundred forty".