894673989 has 24 divisors (see below), whose sum is σ = 1411862400. Its totient is φ = 541429440.

The previous prime is 894673961. The next prime is 894673991. The reversal of 894673989 is 989376498.

894673989 is a `hidden beast` number, since 89 + 467 + 3 + 98 + 9 = 666.

It is not a de Polignac number, because 894673989 - 2⁷ = 894673861 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (894673939) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64897 + ... + 77465.

It is an arithmetic number, because the mean of its divisors is an integer number (58827600).

Almost surely, 2^894673989 is an apocalyptic number.

It is an amenable number.

894673989 is a deficient number, since it is larger than the sum of its proper divisors (517188411).

894673989 is a wasteful number, since it uses less digits than its factorization.

894673989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13305 (or 13302 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 63.

The square root of 894673989 is about 29911.1014340830. The cubic root of 894673989 is about 963.5810942116.

The spelling of 894673989 in words is "eight hundred ninety-four million, six hundred seventy-three thousand, nine hundred eighty-nine".