1140446 has 16 divisors (see below), whose sum is σ = 1782000. Its totient is φ = 547008.

The previous prime is 1140439. The next prime is 1140449. The reversal of 1140446 is 6440411.

It is a happy number.

It is a plaindrome in base 16.

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 7 ways as a sum of consecutive naturals, for example, 7580 + ... + 7728.

It is an arithmetic number, because the mean of its divisors is an integer number (111375).

2^1140446 is an apocalyptic number.

1140446 is a deficient number, since it is larger than the sum of its proper divisors (641554).

1140446 is a wasteful number, since it uses less digits than its factorization.

1140446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1140446 is about 1067.9166634153. The cubic root of 1140446 is about 104.4780140403.

Adding to 1140446 its reverse (6440411), we get a palindrome (7580857).

The spelling of 1140446 in words is "one million, one hundred forty thousand, four hundred forty-six".