238104451 has 4 divisors (see below), whose sum is σ = 256420192. Its totient is φ = 219788712.

The previous prime is 238104443. The next prime is 238104481. The reversal of 238104451 is 154401832.

238104451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 238104451 - 2³ = 238104443 is a prime.

It is a super-2 number, since 2×238104451² = 113387459172022802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238104401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9157851 + ... + 9157876.

It is an arithmetic number, because the mean of its divisors is an integer number (64105048).

Almost surely, 2^238104451 is an apocalyptic number.

238104451 is a deficient number, since it is larger than the sum of its proper divisors (18315741).

238104451 is a wasteful number, since it uses less digits than its factorization.

238104451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18315740.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 238104451 is about 15430.6335255556. The cubic root of 238104451 is about 619.8060883351.

The spelling of 238104451 in words is "two hundred thirty-eight million, one hundred four thousand, four hundred fifty-one".