694473198 has 16 divisors (see below), whose sum is σ = 1389298176. Its totient is φ = 231432440.

The previous prime is 694473193. The next prime is 694473229. The reversal of 694473198 is 891374496.

It is a self number, because there is not a number n which added to its sum of digits gives 694473198.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (694473193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15913 + ... + 40523.

It is an arithmetic number, because the mean of its divisors is an integer number (86831136).

Almost surely, 2^694473198 is an apocalyptic number.

694473198 is an abundant number, since it is smaller than the sum of its proper divisors (694824978).

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

694473198 is a wasteful number, since it uses less digits than its factorization.

694473198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29319.

The product of its digits is 1306368, while the sum is 51.

The square root of 694473198 is about 26352.8593894477. The cubic root of 694473198 is about 885.5610295684.

The spelling of 694473198 in words is "six hundred ninety-four million, four hundred seventy-three thousand, one hundred ninety-eight".