238118465 has 12 divisors (see below), whose sum is σ = 309414204. Its totient is φ = 175840704.

The previous prime is 238118443. The next prime is 238118483. The reversal of 238118465 is 564811832.

It can be written as a sum of positive squares in 6 ways, for example, as 62078641 + 176039824 = 7879^2 + 13268^2 .

It is not a de Polignac number, because 238118465 - 2⁶ = 238118401 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140054 + ... + 141743.

It is an arithmetic number, because the mean of its divisors is an integer number (25784517).

Almost surely, 2^238118465 is an apocalyptic number.

It is an amenable number.

238118465 is a deficient number, since it is larger than the sum of its proper divisors (71295739).

238118465 is a wasteful number, since it uses less digits than its factorization.

238118465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281828 (or 281815 counting only the distinct ones).

The product of its digits is 46080, while the sum is 38.

The square root of 238118465 is about 15431.0876155895. The cubic root of 238118465 is about 619.8182479736.

The spelling of 238118465 in words is "two hundred thirty-eight million, one hundred eighteen thousand, four hundred sixty-five".