694793216 has 176 divisors, whose sum is σ = 1636944960. Its totient is φ = 291962880.

The previous prime is 694793189. The next prime is 694793219. The reversal of 694793216 is 612397496.

It is a happy number.

It is a super-2 number, since 2×694793216² = 965475225999245312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (694793219) 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 15 ways as a sum of consecutive naturals, for example, 10370015 + ... + 10370081.

Almost surely, 2^694793216 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 694793216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (818472480).

694793216 is an abundant number, since it is smaller than the sum of its proper divisors (942151744).

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

694793216 is a wasteful number, since it uses less digits than its factorization.

694793216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160 (or 142 counting only the distinct ones).

The product of its digits is 489888, while the sum is 47.

The square root of 694793216 is about 26358.9304790616. The cubic root of 694793216 is about 885.6970328734.

The spelling of 694793216 in words is "six hundred ninety-four million, seven hundred ninety-three thousand, two hundred sixteen".