1140448 has 24 divisors (see below), whose sum is σ = 2269512. Its totient is φ = 564096.

The previous prime is 1140439. The next prime is 1140449. The reversal of 1140448 is 8440411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4911 + ... + 5137.

It is an arithmetic number, because the mean of its divisors is an integer number (94563).

2^1140448 is an apocalyptic number.

It is an amenable number.

1140448 is a deficient number, since it is larger than the sum of its proper divisors (1129064).

1140448 is a wasteful number, since it uses less digits than its factorization.

1140448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394 (or 386 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 1140448 is about 1067.9175998175. The cubic root of 1140448 is about 104.4780751146.

Adding to 1140448 its reverse (8440411), we get a palindrome (9580859).

The spelling of 1140448 in words is "one million, one hundred forty thousand, four hundred forty-eight".