894638169 has 16 divisors (see below), whose sum is σ = 1335512640. Its totient is φ = 591870240.

The previous prime is 894638089. The next prime is 894638189. The reversal of 894638169 is 961836498.

It is not a de Polignac number, because 894638169 - 2¹⁹ = 894113881 is a prime.

It is a super-2 number, since 2×894638169² = 1600754906863345122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (894638189) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122932 + ... + 130005.

It is an arithmetic number, because the mean of its divisors is an integer number (83469540).

Almost surely, 2^894638169 is an apocalyptic number.

It is an amenable number.

894638169 is a deficient number, since it is larger than the sum of its proper divisors (440874471).

894638169 is a wasteful number, since it uses less digits than its factorization.

894638169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253077 (or 253071 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 894638169 is about 29910.5026537502. The cubic root of 894638169 is about 963.5682344303.

The spelling of 894638169 in words is "eight hundred ninety-four million, six hundred thirty-eight thousand, one hundred sixty-nine".