238660449 has 16 divisors (see below), whose sum is σ = 328988352. Its totient is φ = 153796608.

The previous prime is 238660427. The next prime is 238660493. The reversal of 238660449 is 944066832.

It is a happy number.

It is not a de Polignac number, because 238660449 - 2⁵ = 238660417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 238660449.

It is not an unprimeable number, because it can be changed into a prime (238660049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2977 + ... + 22049.

It is an arithmetic number, because the mean of its divisors is an integer number (20561772).

Almost surely, 2^238660449 is an apocalyptic number.

It is an amenable number.

238660449 is a deficient number, since it is larger than the sum of its proper divisors (90327903).

238660449 is a wasteful number, since it uses less digits than its factorization.

238660449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19216.

The product of its (nonzero) digits is 248832, while the sum is 42.

The square root of 238660449 is about 15448.6390662738. The cubic root of 238660449 is about 620.2881499649.

It can be divided in two parts, 2386 and 60449, that added together give a triangular number (62835 = T₃₅₄).

The spelling of 238660449 in words is "two hundred thirty-eight million, six hundred sixty thousand, four hundred forty-nine".