694991232 has 256 divisors, whose sum is σ = 2284800000. Its totient is φ = 206530560.

The previous prime is 694991197. The next prime is 694991233. The reversal of 694991232 is 232199496.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (694991233) 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, 1392519 + ... + 1393017.

It is an arithmetic number, because the mean of its divisors is an integer number (8925000).

Almost surely, 2^694991232 is an apocalyptic number.

694991232 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 694991232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1142400000).

694991232 is an abundant number, since it is smaller than the sum of its proper divisors (1589808768).

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

694991232 is a wasteful number, since it uses less digits than its factorization.

694991232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566 (or 548 counting only the distinct ones).

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

The square root of 694991232 is about 26362.6863578050. The cubic root of 694991232 is about 885.7811660711.

The spelling of 694991232 in words is "six hundred ninety-four million, nine hundred ninety-one thousand, two hundred thirty-two".