894110721 has 48 divisors (see below), whose sum is σ = 1463040000. Its totient is φ = 475587936.

The previous prime is 894110719. The next prime is 894110729. The reversal of 894110721 is 127011498.

It is not a de Polignac number, because 894110721 - 2¹ = 894110719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (894110729) 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 in 47 ways as a sum of consecutive naturals, for example, 446280 + ... + 448278.

It is an arithmetic number, because the mean of its divisors is an integer number (30480000).

Almost surely, 2^894110721 is an apocalyptic number.

It is an amenable number.

894110721 is a deficient number, since it is larger than the sum of its proper divisors (568929279).

894110721 is a wasteful number, since it uses less digits than its factorization.

894110721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2106 (or 2087 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 33.

The square root of 894110721 is about 29901.6842502224. The cubic root of 894110721 is about 963.3788349363.

The spelling of 894110721 in words is "eight hundred ninety-four million, one hundred ten thousand, seven hundred twenty-one".