238887147 has 16 divisors (see below), whose sum is σ = 329315328. Its totient is φ = 153875040.

The previous prime is 238887137. The next prime is 238887149. The reversal of 238887147 is 741788832.

It is a happy number.

It is not a de Polignac number, because 238887147 - 2⁶ = 238887083 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 238887096 and 238887105.

It is not an unprimeable number, because it can be changed into a prime (238887149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70228 + ... + 73550.

It is an arithmetic number, because the mean of its divisors is an integer number (20582208).

Almost surely, 2^238887147 is an apocalyptic number.

238887147 is a deficient number, since it is larger than the sum of its proper divisors (90428181).

238887147 is a wasteful number, since it uses less digits than its factorization.

238887147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4130.

The product of its digits is 602112, while the sum is 48.

The square root of 238887147 is about 15455.9744759106. The cubic root of 238887147 is about 620.4844869000.

The spelling of 238887147 in words is "two hundred thirty-eight million, eight hundred eighty-seven thousand, one hundred forty-seven".