894634138 has 8 divisors (see below), whose sum is σ = 1342232640. Its totient is φ = 447223260.

The previous prime is 894634109. The next prime is 894634271. The reversal of 894634138 is 831436498.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 34308 + ... + 54463.

It is an arithmetic number, because the mean of its divisors is an integer number (167779080).

Almost surely, 2^894634138 is an apocalyptic number.

894634138 is a deficient number, since it is larger than the sum of its proper divisors (447598502).

894634138 is a wasteful number, since it uses less digits than its factorization.

894634138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93812.

The product of its digits is 497664, while the sum is 46.

The square root of 894634138 is about 29910.4352693170. The cubic root of 894634138 is about 963.5667872347.

The spelling of 894634138 in words is "eight hundred ninety-four million, six hundred thirty-four thousand, one hundred thirty-eight".