238339440 has 60 divisors (see below), whose sum is σ = 800425704. Its totient is φ = 63556992.

The previous prime is 238339399. The next prime is 238339441. The reversal of 238339440 is 44933832.

It is a happy number.

238339440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 238339395 and 238339404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238339441) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 164794 + ... + 166233.

Almost surely, 2^238339440 is an apocalyptic number.

238339440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

238339440 is an abundant number, since it is smaller than the sum of its proper divisors (562086264).

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

238339440 is a wasteful number, since it uses less digits than its factorization.

238339440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331046 (or 331037 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 238339440 is about 15438.2460143632. The cubic root of 238339440 is about 620.0099200633.

The spelling of 238339440 in words is "two hundred thirty-eight million, three hundred thirty-nine thousand, four hundred forty".