238303855 has 8 divisors (see below), whose sum is σ = 287447472. Its totient is φ = 189654528.

The previous prime is 238303853. The next prime is 238303859. The reversal of 238303855 is 558303832.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 238303855 - 2¹ = 238303853 is a prime.

It is a super-2 number, since 2×238303855² = 113577454615722050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238303853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122509 + ... + 124438.

It is an arithmetic number, because the mean of its divisors is an integer number (35930934).

Almost surely, 2^238303855 is an apocalyptic number.

238303855 is a deficient number, since it is larger than the sum of its proper divisors (49143617).

238303855 is a wasteful number, since it uses less digits than its factorization.

238303855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247145.

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 238303855 is about 15437.0934764288. The cubic root of 238303855 is about 619.9790619013.

The spelling of 238303855 in words is "two hundred thirty-eight million, three hundred three thousand, eight hundred fifty-five".