238675455 has 24 divisors (see below), whose sum is σ = 414112608. Its totient is φ = 127167936.

The previous prime is 238675453. The next prime is 238675457. The reversal of 238675455 is 554576832.

238675455 is a `hidden beast` number, since 23 + 86 + 7 + 545 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (238675453) and next prime (238675457).

It is not a de Polignac number, because 238675455 - 2¹ = 238675453 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 238675455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238675453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59854 + ... + 63716.

It is an arithmetic number, because the mean of its divisors is an integer number (17254692).

Almost surely, 2^238675455 is an apocalyptic number.

238675455 is a deficient number, since it is larger than the sum of its proper divisors (175437153).

238675455 is a wasteful number, since it uses less digits than its factorization.

238675455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5247 (or 5244 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 45.

The square root of 238675455 is about 15449.1247324889. The cubic root of 238675455 is about 620.3011500925.

It can be divided in two parts, 2386 and 75455, that added together give a square (77841 = 279²).

The spelling of 238675455 in words is "two hundred thirty-eight million, six hundred seventy-five thousand, four hundred fifty-five".