912978234 has 96 divisors (see below), whose sum is σ = 2519786880. Its totient is φ = 232574976.

The previous prime is 912978173. The next prime is 912978239. The reversal of 912978234 is 432879219.

It is a self number, because there is not a number n which added to its sum of digits gives 912978234.

It is not an unprimeable number, because it can be changed into a prime (912978239) 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 47 ways as a sum of consecutive naturals, for example, 29482 + ... + 51914.

It is an arithmetic number, because the mean of its divisors is an integer number (26247780).

Almost surely, 2^912978234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 912978234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1259893440).

912978234 is an abundant number, since it is smaller than the sum of its proper divisors (1606808646).

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

912978234 is a wasteful number, since it uses less digits than its factorization.

912978234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22484 (or 22481 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 912978234 is about 30215.5296825986. The cubic root of 912978234 is about 970.1081234204.

The spelling of 912978234 in words is "nine hundred twelve million, nine hundred seventy-eight thousand, two hundred thirty-four".