913921716 has 24 divisors (see below), whose sum is σ = 2136687840. Its totient is φ = 304040032.

The previous prime is 913921711. The next prime is 913921733. The reversal of 913921716 is 617129319.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (913921711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68706 + ... + 80921.

It is an arithmetic number, because the mean of its divisors is an integer number (89028660).

Almost surely, 2^913921716 is an apocalyptic number.

It is an amenable number.

913921716 is an abundant number, since it is smaller than the sum of its proper divisors (1222766124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

913921716 is a wasteful number, since it uses less digits than its factorization.

913921716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150143 (or 150141 counting only the distinct ones).

The product of its digits is 20412, while the sum is 39.

The square root of 913921716 is about 30231.1381856522. The cubic root of 913921716 is about 970.4421819308.

The spelling of 913921716 in words is "nine hundred thirteen million, nine hundred twenty-one thousand, seven hundred sixteen".