891494 has 4 divisors (see below), whose sum is σ = 1337244. Its totient is φ = 445746.

The previous prime is 891493. The next prime is 891509. The reversal of 891494 is 494198.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 494198 = 2 ⋅247099.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (891491) 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 as a sum of consecutive naturals, namely, 222872 + ... + 222875.

It is an arithmetic number, because the mean of its divisors is an integer number (334311).

2⁸⁹¹⁴⁹⁴ is an apocalyptic number.

891494 is a deficient number, since it is larger than the sum of its proper divisors (445750).

891494 is a wasteful number, since it uses less digits than its factorization.

891494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445749.

The product of its digits is 10368, while the sum is 35.

The square root of 891494 is about 944.1895996038. The cubic root of 891494 is about 96.2438102502.

The spelling of 891494 in words is "eight hundred ninety-one thousand, four hundred ninety-four".