1040347 has 16 divisors (see below), whose sum is σ = 1324800. Its totient is φ = 793440.

The previous prime is 1040339. The next prime is 1040353. The reversal of 1040347 is 7430401.

1040347 = 29² + 30² + ... + 146².

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1040347 - 2³ = 1040339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1040327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4429 + ... + 4657.

It is an arithmetic number, because the mean of its divisors is an integer number (82800).

2^1040347 is an apocalyptic number.

1040347 is a deficient number, since it is larger than the sum of its proper divisors (284453).

1040347 is a wasteful number, since it uses less digits than its factorization.

1040347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 1040347 is about 1019.9740192770. The cubic root of 1040347 is about 101.3272072801.

Adding to 1040347 its reverse (7430401), we get a palindrome (8470748).

The spelling of 1040347 in words is "one million, forty thousand, three hundred forty-seven".