238286403 has 12 divisors (see below), whose sum is σ = 344606080. Its totient is φ = 158666256.

The previous prime is 238286351. The next prime is 238286431. The reversal of 238286403 is 304682832.

238286403 is a `hidden beast` number, since 2 + 3 + 8 + 2 + 8 + 640 + 3 = 666.

It is not a de Polignac number, because 238286403 - 2²⁰ = 237237827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238286303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7843 + ... + 23196.

Almost surely, 2^238286403 is an apocalyptic number.

238286403 is a deficient number, since it is larger than the sum of its proper divisors (106319677).

238286403 is a wasteful number, since it uses less digits than its factorization.

238286403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31898 (or 31895 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 238286403 is about 15436.5282042304. The cubic root of 238286403 is about 619.9639269682.

The spelling of 238286403 in words is "two hundred thirty-eight million, two hundred eighty-six thousand, four hundred three".