891442426 has 16 divisors (see below), whose sum is σ = 1580883840. Its totient is φ = 368872560.

The previous prime is 891442421. The next prime is 891442427. The reversal of 891442426 is 624244198.

891442426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (891442421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1097430 + ... + 1098241.

It is an arithmetic number, because the mean of its divisors is an integer number (98805240).

Almost surely, 2^891442426 is an apocalyptic number.

891442426 is a deficient number, since it is larger than the sum of its proper divisors (689441414).

891442426 is a wasteful number, since it uses less digits than its factorization.

891442426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2195709.

The product of its digits is 110592, while the sum is 40.

The square root of 891442426 is about 29857.0331077956. The cubic root of 891442426 is about 962.4195427433.

The spelling of 891442426 in words is "eight hundred ninety-one million, four hundred forty-two thousand, four hundred twenty-six".