894147983 has 2 divisors, whose sum is σ = 894147984. Its totient is φ = 894147982.

The previous prime is 894147959. The next prime is 894148033. The reversal of 894147983 is 389741498.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 894147983 - 2¹⁶ = 894082447 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (894147953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 447073991 + 447073992.

It is an arithmetic number, because the mean of its divisors is an integer number (447073992).

Almost surely, 2^894147983 is an apocalyptic number.

894147983 is a deficient number, since it is larger than the sum of its proper divisors (1).

894147983 is an equidigital number, since it uses as much as digits as its factorization.

894147983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1741824, while the sum is 53.

The square root of 894147983 is about 29902.3073190013. The cubic root of 894147983 is about 963.3922176650.

It can be divided in two parts, 894 and 147983, that added together give a cube (148877 = 53³).

The spelling of 894147983 in words is "eight hundred ninety-four million, one hundred forty-seven thousand, nine hundred eighty-three".