238401345 has 32 divisors (see below), whose sum is σ = 469469952. Its totient is φ = 100599552.

The previous prime is 238401313. The next prime is 238401349. The reversal of 238401345 is 543104832.

It is not a de Polignac number, because 238401345 - 2⁵ = 238401313 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (238401349) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85962 + ... + 88691.

It is an arithmetic number, because the mean of its divisors is an integer number (14670936).

Almost surely, 2^238401345 is an apocalyptic number.

It is an amenable number.

238401345 is a deficient number, since it is larger than the sum of its proper divisors (231068607).

238401345 is a wasteful number, since it uses less digits than its factorization.

238401345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174681.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 238401345 is about 15440.2508075484. The cubic root of 238401345 is about 620.0635947601.

The spelling of 238401345 in words is "two hundred thirty-eight million, four hundred one thousand, three hundred forty-five".