694298916 has 18 divisors (see below), whose sum is σ = 1755033462. Its totient is φ = 231432960.

The previous prime is 694298911. The next prime is 694298923. The reversal of 694298916 is 619892496.

It can be written as a sum of positive squares in only one way, i.e., 664092900 + 30206016 = 25770^2 + 5496^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (694298911) 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 5 ways as a sum of consecutive naturals, for example, 9643005 + ... + 9643076.

It is an arithmetic number, because the mean of its divisors is an integer number (97501859).

Almost surely, 2^694298916 is an apocalyptic number.

It is an amenable number.

694298916 is an abundant number, since it is smaller than the sum of its proper divisors (1060734546).

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

694298916 is a wasteful number, since it uses less digits than its factorization.

694298916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19286091 (or 19286086 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 54.

The square root of 694298916 is about 26349.5524819683. The cubic root of 694298916 is about 885.4869445112.

The spelling of 694298916 in words is "six hundred ninety-four million, two hundred ninety-eight thousand, nine hundred sixteen".