1156346 has 8 divisors (see below), whose sum is σ = 1794420. Its totient is φ = 558208.

The previous prime is 1156343. The next prime is 1156367. The reversal of 1156346 is 6436511.

It can be written as a sum of positive squares in 2 ways, for example, as 1125721 + 30625 = 1061^2 + 175^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1156343) 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 in 3 ways as a sum of consecutive naturals, for example, 9911 + ... + 10026.

2^1156346 is an apocalyptic number.

1156346 is a deficient number, since it is larger than the sum of its proper divisors (638074).

1156346 is a wasteful number, since it uses less digits than its factorization.

1156346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19968.

The product of its digits is 2160, while the sum is 26.

The square root of 1156346 is about 1075.3352965471. The cubic root of 1156346 is about 104.9613160598.

The spelling of 1156346 in words is "one million, one hundred fifty-six thousand, three hundred forty-six".