891446 has 16 divisors (see below), whose sum is σ = 1433376. Its totient is φ = 414336.

The previous prime is 891439. The next prime is 891481. The reversal of 891446 is 644198.

It is a congruent number.

It is an unprimeable 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 7 ways as a sum of consecutive naturals, for example, 5255 + ... + 5421.

It is an arithmetic number, because the mean of its divisors is an integer number (89586).

2⁸⁹¹⁴⁴⁶ is an apocalyptic number.

891446 is a deficient number, since it is larger than the sum of its proper divisors (541930).

891446 is a wasteful number, since it uses less digits than its factorization.

891446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343.

The product of its digits is 6912, while the sum is 32.

The square root of 891446 is about 944.1641806381. The cubic root of 891446 is about 96.2420828930.

It can be divided in two parts, 891 and 446, that multiplied together give a triangular number (397386 = T₈₉₁).

The spelling of 891446 in words is "eight hundred ninety-one thousand, four hundred forty-six".