891674 has 8 divisors (see below), whose sum is σ = 1528608. Its totient is φ = 382140.

The previous prime is 891661. The next prime is 891677. The reversal of 891674 is 476198.

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 (891677) by changing a digit.

891674 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 31832 + ... + 31859.

It is an arithmetic number, because the mean of its divisors is an integer number (191076).

2⁸⁹¹⁶⁷⁴ is an apocalyptic number.

891674 is a deficient number, since it is larger than the sum of its proper divisors (636934).

891674 is a wasteful number, since it uses less digits than its factorization.

891674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63700.

The product of its digits is 12096, while the sum is 35.

The square root of 891674 is about 944.2849146312. The cubic root of 891674 is about 96.2502872876.

The spelling of 891674 in words is "eight hundred ninety-one thousand, six hundred seventy-four".