891346 has 8 divisors (see below), whose sum is σ = 1341900. Its totient is φ = 444048.

The previous prime is 891329. The next prime is 891349. The reversal of 891346 is 643198.

It can be written as a sum of positive squares in 2 ways, for example, as 855625 + 35721 = 925^2 + 189^2 .

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 (891349) 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, 60 + ... + 1336.

2⁸⁹¹³⁴⁶ is an apocalyptic number.

891346 is a deficient number, since it is larger than the sum of its proper divisors (450554).

891346 is a wasteful number, since it uses less digits than its factorization.

891346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628.

The product of its digits is 5184, while the sum is 31.

The square root of 891346 is about 944.1112222614. Note that the first 3 decimals coincide. The cubic root of 891346 is about 96.2384840329.

The spelling of 891346 in words is "eight hundred ninety-one thousand, three hundred forty-six".