230398278 has 24 divisors (see below), whose sum is σ = 506496984. Its totient is φ = 69817440.

The previous prime is 230398247. The next prime is 230398279. The reversal of 230398278 is 872893032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230398279) 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, 157951 + ... + 159402.

It is an arithmetic number, because the mean of its divisors is an integer number (21104041).

Almost surely, 2^230398278 is an apocalyptic number.

230398278 is an abundant number, since it is smaller than the sum of its proper divisors (276098706).

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

230398278 is a wasteful number, since it uses less digits than its factorization.

230398278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317380 (or 317369 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 230398278 is about 15178.8760453467. The cubic root of 230398278 is about 613.0460186138.

The spelling of 230398278 in words is "two hundred thirty million, three hundred ninety-eight thousand, two hundred seventy-eight".