694239912 has 96 divisors (see below), whose sum is σ = 1978030080. Its totient is φ = 219542400.

The previous prime is 694239911. The next prime is 694239943. The reversal of 694239912 is 219932496.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (694239911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 208662 + ... + 211962.

It is an arithmetic number, because the mean of its divisors is an integer number (20604480).

Almost surely, 2^694239912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 694239912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (989015040).

694239912 is an abundant number, since it is smaller than the sum of its proper divisors (1283790168).

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

694239912 is a wasteful number, since it uses less digits than its factorization.

694239912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3463 (or 3456 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 694239912 is about 26348.4328186706. The cubic root of 694239912 is about 885.4618598536.

The spelling of 694239912 in words is "six hundred ninety-four million, two hundred thirty-nine thousand, nine hundred twelve".