913147938 has 64 divisors (see below), whose sum is σ = 2093040000. Its totient is φ = 294881472.

The previous prime is 913147933. The next prime is 913147967. The reversal of 913147938 is 839741319.

Its product of digits (163296) is a multiple of the sum of its prime factors (2016).

It is a junction number, because it is equal to n+sod(n) for n = 913147893 and 913147902.

It is not an unprimeable number, because it can be changed into a prime (913147931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 536613 + ... + 538311.

It is an arithmetic number, because the mean of its divisors is an integer number (32703750).

Almost surely, 2^913147938 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 913147938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1046520000).

913147938 is an abundant number, since it is smaller than the sum of its proper divisors (1179892062).

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

913147938 is a wasteful number, since it uses less digits than its factorization.

913147938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016 (or 2010 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 913147938 is about 30218.3377769195. The cubic root of 913147938 is about 970.1682274563.

The spelling of 913147938 in words is "nine hundred thirteen million, one hundred forty-seven thousand, nine hundred thirty-eight".