898047138 has 16 divisors (see below), whose sum is σ = 1808150400. Its totient is φ = 297339696.

The previous prime is 898047079. The next prime is 898047181. The reversal of 898047138 is 831740898.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 501370 + ... + 503157.

It is an arithmetic number, because the mean of its divisors is an integer number (113009400).

Almost surely, 2^898047138 is an apocalyptic number.

898047138 is an abundant number, since it is smaller than the sum of its proper divisors (910103262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

898047138 is a wasteful number, since it uses less digits than its factorization.

898047138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004681.

The product of its (nonzero) digits is 387072, while the sum is 48.

The square root of 898047138 is about 29967.4346249391. The cubic root of 898047138 is about 964.7905576049.

The spelling of 898047138 in words is "eight hundred ninety-eight million, forty-seven thousand, one hundred thirty-eight".