915340856 has 8 divisors (see below), whose sum is σ = 1716264120. Its totient is φ = 457670424.

The previous prime is 915340841. The next prime is 915340873. The reversal of 915340856 is 658043519.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57208796 + ... + 57208811.

It is an arithmetic number, because the mean of its divisors is an integer number (214533015).

Almost surely, 2^915340856 is an apocalyptic number.

It is an amenable number.

915340856 is a deficient number, since it is larger than the sum of its proper divisors (800923264).

915340856 is a wasteful number, since it uses less digits than its factorization.

915340856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114417613 (or 114417609 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 915340856 is about 30254.6005757802. The cubic root of 915340856 is about 970.9442238716.

The spelling of 915340856 in words is "nine hundred fifteen million, three hundred forty thousand, eight hundred fifty-six".