891424482 has 64 divisors (see below), whose sum is σ = 2045675520. Its totient is φ = 256682304.

The previous prime is 891424453. The next prime is 891424487. The reversal of 891424482 is 284424198.

It is not an unprimeable number, because it can be changed into a prime (891424487) 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 31 ways as a sum of consecutive naturals, for example, 119383 + ... + 126629.

It is an arithmetic number, because the mean of its divisors is an integer number (31963680).

Almost surely, 2^891424482 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 891424482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1022837760).

891424482 is an abundant number, since it is smaller than the sum of its proper divisors (1154251038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

891424482 is a wasteful number, since it uses less digits than its factorization.

891424482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7367.

The product of its digits is 147456, while the sum is 42.

The square root of 891424482 is about 29856.7326075711. The cubic root of 891424482 is about 962.4130851297.

The spelling of 891424482 in words is "eight hundred ninety-one million, four hundred twenty-four thousand, four hundred eighty-two".