694273216 has 224 divisors, whose sum is σ = 1818851328. Its totient is φ = 255467520.

The previous prime is 694273187. The next prime is 694273219. The reversal of 694273216 is 612372496.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (224).

Its product of digits (108864) is a multiple of the sum of its prime divisors (189).

It is not an unprimeable number, because it can be changed into a prime (694273219) 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 31 ways as a sum of consecutive naturals, for example, 9510556 + ... + 9510628.

It is an arithmetic number, because the mean of its divisors is an integer number (8119872).

Almost surely, 2^694273216 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 694273216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (909425664).

694273216 is an abundant number, since it is smaller than the sum of its proper divisors (1124578112).

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

694273216 is a wasteful number, since it uses less digits than its factorization.

694273216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199 (or 189 counting only the distinct ones).

The product of its digits is 108864, while the sum is 40.

The square root of 694273216 is about 26349.0648031386. The cubic root of 694273216 is about 885.4760187198.

The spelling of 694273216 in words is "six hundred ninety-four million, two hundred seventy-three thousand, two hundred sixteen".