694504116 has 18 divisors (see below), whose sum is σ = 1755552162. Its totient is φ = 231501360.

The previous prime is 694504099. The next prime is 694504117. The reversal of 694504116 is 611405496.

It can be written as a sum of positive squares in only one way, i.e., 406183716 + 288320400 = 20154^2 + 16980^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 19291781 = 694504116 / (6 + 9 + 4 + 5 + 0 + 4 + 1 + 1 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (694504117) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9645855 + ... + 9645926.

Almost surely, 2^694504116 is an apocalyptic number.

It is an amenable number.

694504116 is an abundant number, since it is smaller than the sum of its proper divisors (1061048046).

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

694504116 is a wasteful number, since it uses less digits than its factorization.

694504116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19291791 (or 19291786 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 694504116 is about 26353.4459985786. The cubic root of 694504116 is about 885.5741711217.

The spelling of 694504116 in words is "six hundred ninety-four million, five hundred four thousand, one hundred sixteen".