238678650 has 120 divisors (see below), whose sum is σ = 758002080. Its totient is φ = 54548640.

The previous prime is 238678639. The next prime is 238678651. The reversal of 238678650 is 56876832.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 238678596 and 238678605.

It is not an unprimeable number, because it can be changed into a prime (238678651) by changing a digit.

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 59 ways as a sum of consecutive naturals, for example, 24141 + ... + 32559.

It is an arithmetic number, because the mean of its divisors is an integer number (6316684).

Almost surely, 2^238678650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238678650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (379001040).

238678650 is an abundant number, since it is smaller than the sum of its proper divisors (519323430).

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

238678650 is a wasteful number, since it uses less digits than its factorization.

238678650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8450 (or 8436 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 238678650 is about 15449.2281360591. The cubic root of 238678650 is about 620.3039179422.

The spelling of 238678650 in words is "two hundred thirty-eight million, six hundred seventy-eight thousand, six hundred fifty".