238405377 has 8 divisors (see below), whose sum is σ = 363284416. Its totient is φ = 136231632.

The previous prime is 238405361. The next prime is 238405397. The reversal of 238405377 is 773504832.

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

It is not a de Polignac number, because 238405377 - 2⁴ = 238405361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238405337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5676298 + ... + 5676339.

It is an arithmetic number, because the mean of its divisors is an integer number (45410552).

Almost surely, 2^238405377 is an apocalyptic number.

It is an amenable number.

238405377 is a deficient number, since it is larger than the sum of its proper divisors (124879039).

238405377 is a wasteful number, since it uses less digits than its factorization.

238405377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11352647.

The product of its (nonzero) digits is 141120, while the sum is 39.

The square root of 238405377 is about 15440.3813748236. The cubic root of 238405377 is about 620.0670903812.

The spelling of 238405377 in words is "two hundred thirty-eight million, four hundred five thousand, three hundred seventy-seven".