1140346 has 4 divisors (see below), whose sum is σ = 1710522. Its totient is φ = 570172.

The previous prime is 1140341. The next prime is 1140353. The reversal of 1140346 is 6430411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6430411 = 13 ⋅494647.

It can be written as a sum of positive squares in only one way, i.e., 1010025 + 130321 = 1005^2 + 361^2 .

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1140341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285085 + ... + 285088.

2^1140346 is an apocalyptic number.

1140346 is a deficient number, since it is larger than the sum of its proper divisors (570176).

1140346 is an equidigital number, since it uses as much as digits as its factorization.

1140346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570175.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1140346 is about 1067.8698422561. The cubic root of 1140346 is about 104.4749602330.

Adding to 1140346 its reverse (6430411), we get a palindrome (7570757).

It can be divided in two parts, 11403 and 46, that added together give a square (11449 = 107²).

The spelling of 1140346 in words is "one million, one hundred forty thousand, three hundred forty-six".