891396046 has 8 divisors (see below), whose sum is σ = 1337440104. Its totient is φ = 445582680.

The previous prime is 891396043. The next prime is 891396049. The reversal of 891396046 is 640693198.

It is an interprime number because it is at equal distance from previous prime (891396043) and next prime (891396049).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 891395987 and 891396005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (891396043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47665 + ... + 63676.

It is an arithmetic number, because the mean of its divisors is an integer number (167180013).

Almost surely, 2^891396046 is an apocalyptic number.

891396046 is a deficient number, since it is larger than the sum of its proper divisors (446044058).

891396046 is a wasteful number, since it uses less digits than its factorization.

891396046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115346.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 891396046 is about 29856.2563962731. The cubic root of 891396046 is about 962.4028515205.

The spelling of 891396046 in words is "eight hundred ninety-one million, three hundred ninety-six thousand, forty-six".