275830398 has 48 divisors (see below), whose sum is σ = 625397760. Its totient is φ = 87694992.

The previous prime is 275830367. The next prime is 275830403. The reversal of 275830398 is 893038572.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 190963 + ... + 192401.

It is an arithmetic number, because the mean of its divisors is an integer number (13029120).

Almost surely, 2^275830398 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 275830398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312698880).

275830398 is an abundant number, since it is smaller than the sum of its proper divisors (349567362).

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

275830398 is a wasteful number, since it uses less digits than its factorization.

275830398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1933 (or 1930 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 275830398 is about 16608.1425210648. The cubic root of 275830398 is about 650.9496163234.

The spelling of 275830398 in words is "two hundred seventy-five million, eight hundred thirty thousand, three hundred ninety-eight".