238961355 has 32 divisors (see below), whose sum is σ = 393885504. Its totient is φ = 123618816.

The previous prime is 238961341. The next prime is 238961369. The reversal of 238961355 is 553169832.

It is an interprime number because it is at equal distance from previous prime (238961341) and next prime (238961369).

It is not a de Polignac number, because 238961355 - 2⁷ = 238961227 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 308749 + ... + 309521.

It is an arithmetic number, because the mean of its divisors is an integer number (12308922).

Almost surely, 2^238961355 is an apocalyptic number.

238961355 is a deficient number, since it is larger than the sum of its proper divisors (154924149).

238961355 is a wasteful number, since it uses less digits than its factorization.

238961355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375.

The product of its digits is 194400, while the sum is 42.

The square root of 238961355 is about 15458.3749145892. The cubic root of 238961355 is about 620.5487294323.

The spelling of 238961355 in words is "two hundred thirty-eight million, nine hundred sixty-one thousand, three hundred fifty-five".