898978329 has 12 divisors (see below), whose sum is σ = 1317906096. Its totient is φ = 590373432.

The previous prime is 898978303. The next prime is 898978351. The reversal of 898978329 is 923879898.

It is not a de Polignac number, because 898978329 - 2⁹ = 898977817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (898973329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 744819 + ... + 746024.

It is an arithmetic number, because the mean of its divisors is an integer number (109825508).

Almost surely, 2^898978329 is an apocalyptic number.

It is an amenable number.

898978329 is a deficient number, since it is larger than the sum of its proper divisors (418927767).

898978329 is a wasteful number, since it uses less digits than its factorization.

898978329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490916 (or 1490913 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 63.

The square root of 898978329 is about 29982.9673147939. The cubic root of 898978329 is about 965.1239083109.

The spelling of 898978329 in words is "eight hundred ninety-eight million, nine hundred seventy-eight thousand, three hundred twenty-nine".