238465491 has 8 divisors (see below), whose sum is σ = 346858944. Its totient is φ = 144524520.

The previous prime is 238465483. The next prime is 238465501. The reversal of 238465491 is 194564832.

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

It is not a de Polignac number, because 238465491 - 2³ = 238465483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (238465421) 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, 3613081 + ... + 3613146.

It is an arithmetic number, because the mean of its divisors is an integer number (43357368).

Almost surely, 2^238465491 is an apocalyptic number.

238465491 is a deficient number, since it is larger than the sum of its proper divisors (108393453).

238465491 is a wasteful number, since it uses less digits than its factorization.

238465491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7226241.

The product of its digits is 207360, while the sum is 42.

The square root of 238465491 is about 15442.3279009351. The cubic root of 238465491 is about 620.1192027133.

The spelling of 238465491 in words is "two hundred thirty-eight million, four hundred sixty-five thousand, four hundred ninety-one".