238474620 has 144 divisors (see below), whose sum is σ = 756389088. Its totient is φ = 60756480.

The previous prime is 238474591. The next prime is 238474633. The reversal of 238474620 is 26474832.

238474620 is a `hidden beast` number, since 23 + 8 + 4 + 7 + 4 + 620 = 666.

238474620 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 405967 + ... + 406553.

It is an arithmetic number, because the mean of its divisors is an integer number (5252702).

Almost surely, 2^238474620 is an apocalyptic number.

238474620 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 238474620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378194544).

238474620 is an abundant number, since it is smaller than the sum of its proper divisors (517914468).

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

238474620 is a wasteful number, since it uses less digits than its factorization.

238474620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700 (or 695 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 238474620 is about 15442.6234817793. The cubic root of 238474620 is about 620.1271158024.

The spelling of 238474620 in words is "two hundred thirty-eight million, four hundred seventy-four thousand, six hundred twenty".