891374 has 16 divisors (see below), whose sum is σ = 1506816. Its totient is φ = 391800.

The previous prime is 891349. The next prime is 891377. The reversal of 891374 is 473198.

It is a self number, because there is not a number n which added to its sum of digits gives 891374.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (891377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29 + ... + 1335.

It is an arithmetic number, because the mean of its divisors is an integer number (94176).

2⁸⁹¹³⁷⁴ is an apocalyptic number.

891374 is a deficient number, since it is larger than the sum of its proper divisors (615442).

891374 is a wasteful number, since it uses less digits than its factorization.

891374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351.

The product of its digits is 6048, while the sum is 32.

The square root of 891374 is about 944.1260509063. The cubic root of 891374 is about 96.2394917408.

The spelling of 891374 in words is "eight hundred ninety-one thousand, three hundred seventy-four".