894861481 has 4 divisors (see below), whose sum is σ = 895871232. Its totient is φ = 893851732.

The previous prime is 894861463. The next prime is 894861491. The reversal of 894861481 is 184168498.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-894861481 is a prime.

It is a super-2 number, since 2×894861481² = 1601554140355026722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (894861421) 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 3 ways as a sum of consecutive naturals, for example, 503545 + ... + 505318.

It is an arithmetic number, because the mean of its divisors is an integer number (223967808).

Almost surely, 2^894861481 is an apocalyptic number.

It is an amenable number.

894861481 is a deficient number, since it is larger than the sum of its proper divisors (1009751).

894861481 is a wasteful number, since it uses less digits than its factorization.

894861481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009750.

The product of its digits is 442368, while the sum is 49.

The square root of 894861481 is about 29914.2354239583. The cubic root of 894861481 is about 963.6484003402.

The spelling of 894861481 in words is "eight hundred ninety-four million, eight hundred sixty-one thousand, four hundred eighty-one".