891483946 has 8 divisors (see below), whose sum is σ = 1341080640. Its totient is φ = 444457068.

The previous prime is 891483941. The next prime is 891483991. The reversal of 891483946 is 649384198.

It is a happy number.

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 = 891483893 and 891483902.

It is not an unprimeable number, because it can be changed into a prime (891483941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 641586 + ... + 642973.

It is an arithmetic number, because the mean of its divisors is an integer number (167635080).

Almost surely, 2^891483946 is an apocalyptic number.

891483946 is a deficient number, since it is larger than the sum of its proper divisors (449596694).

891483946 is a wasteful number, since it uses less digits than its factorization.

891483946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284908.

The product of its digits is 1492992, while the sum is 52.

The square root of 891483946 is about 29857.7284132601. The cubic root of 891483946 is about 962.4344844595.

The spelling of 891483946 in words is "eight hundred ninety-one million, four hundred eighty-three thousand, nine hundred forty-six".