915340238 has 8 divisors (see below), whose sum is σ = 1445274120. Its totient is φ = 433582200.

The previous prime is 915340213. The next prime is 915340249. The reversal of 915340238 is 832043519.

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

It is a junction number, because it is equal to n+sod(n) for n = 915340198 and 915340207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12043913 + ... + 12043988.

It is an arithmetic number, because the mean of its divisors is an integer number (180659265).

Almost surely, 2^915340238 is an apocalyptic number.

915340238 is a deficient number, since it is larger than the sum of its proper divisors (529933882).

915340238 is a wasteful number, since it uses less digits than its factorization.

915340238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24087922.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 915340238 is about 30254.5903624557. The cubic root of 915340238 is about 970.9440053578.

The spelling of 915340238 in words is "nine hundred fifteen million, three hundred forty thousand, two hundred thirty-eight".