238415895 has 24 divisors (see below), whose sum is σ = 435006000. Its totient is φ = 120462336.

The previous prime is 238415887. The next prime is 238415899. The reversal of 238415895 is 598514832.

238415895 is a `hidden beast` number, since 23 + 8 + 41 + 589 + 5 = 666.

It is not a de Polignac number, because 238415895 - 2³ = 238415887 is a prime.

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 238415895.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238415899) 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, 138570 + ... + 140279.

It is an arithmetic number, because the mean of its divisors is an integer number (18125250).

Almost surely, 2^238415895 is an apocalyptic number.

238415895 is a deficient number, since it is larger than the sum of its proper divisors (196590105).

238415895 is a wasteful number, since it uses less digits than its factorization.

238415895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278879 (or 278876 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 238415895 is about 15440.7219714623. The cubic root of 238415895 is about 620.0762089811.

The spelling of 238415895 in words is "two hundred thirty-eight million, four hundred fifteen thousand, eight hundred ninety-five".