238084340 has 96 divisors (see below), whose sum is σ = 562974720. Its totient is φ = 83980800.

The previous prime is 238084331. The next prime is 238084351. The reversal of 238084340 is 43480832.

It is a junction number, because it is equal to n+sod(n) for n = 238084297 and 238084306.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 878405 + ... + 878675.

It is an arithmetic number, because the mean of its divisors is an integer number (5864320).

Almost surely, 2^238084340 is an apocalyptic number.

238084340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238084340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281487360).

238084340 is an abundant number, since it is smaller than the sum of its proper divisors (324890380).

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

238084340 is a wasteful number, since it uses less digits than its factorization.

238084340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433 (or 431 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 238084340 is about 15429.9818535214. The cubic root of 238084340 is about 619.7886376307.

The spelling of 238084340 in words is "two hundred thirty-eight million, eighty-four thousand, three hundred forty".