238634415 has 12 divisors (see below), whose sum is σ = 413633064. Its totient is φ = 127271664.

The previous prime is 238634411. The next prime is 238634419. The reversal of 238634415 is 514436832.

238634415 is a `hidden beast` number, since 2 + 3 + 8 + 634 + 4 + 15 = 666.

It is an interprime number because it is at equal distance from previous prime (238634411) and next prime (238634419).

It is not a de Polignac number, because 238634415 - 2² = 238634411 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 238634415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238634411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2651449 + ... + 2651538.

It is an arithmetic number, because the mean of its divisors is an integer number (34469422).

Almost surely, 2^238634415 is an apocalyptic number.

238634415 is a deficient number, since it is larger than the sum of its proper divisors (174998649).

238634415 is a wasteful number, since it uses less digits than its factorization.

238634415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5302998 (or 5302995 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 238634415 is about 15447.7964448008. The cubic root of 238634415 is about 620.2655946721.

The spelling of 238634415 in words is "two hundred thirty-eight million, six hundred thirty-four thousand, four hundred fifteen".