238455369 has 12 divisors (see below), whose sum is σ = 345208500. Its totient is φ = 158613504.

The previous prime is 238455367. The next prime is 238455401. The reversal of 238455369 is 963554832.

238455369 is a `hidden beast` number, since 2 + 38 + 4 + 553 + 69 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 121815369 + 116640000 = 11037^2 + 10800^2 .

It is not a de Polignac number, because 238455369 - 2¹ = 238455367 is a prime.

It is a super-2 number, since 2×238455369² = 113721926009852322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (238455361) 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 11 ways as a sum of consecutive naturals, for example, 25464 + ... + 33545.

It is an arithmetic number, because the mean of its divisors is an integer number (28767375).

Almost surely, 2^238455369 is an apocalyptic number.

It is an amenable number.

238455369 is a deficient number, since it is larger than the sum of its proper divisors (106753131).

238455369 is a wasteful number, since it uses less digits than its factorization.

238455369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59464 (or 59461 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The square root of 238455369 is about 15442.0001618961. Note that the first 3 decimals coincide. The cubic root of 238455369 is about 620.1104286480.

The spelling of 238455369 in words is "two hundred thirty-eight million, four hundred fifty-five thousand, three hundred sixty-nine".