694217104 has 45 divisors (see below), whose sum is σ = 1566309441. Its totient is φ = 297205440.

The previous prime is 694217099. The next prime is 694217141. The reversal of 694217104 is 401712496.

The square root of 694217104 is 26348.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 430479504 + 263737600 = 20748^2 + 16240^2 .

It is a super-2 number, since 2×694217104² = 963874774972293632, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 694217104.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 737274 + ... + 738214.

Almost surely, 2^694217104 is an apocalyptic number.

694217104 is the 26348-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 694217104

694217104 is an abundant number, since it is smaller than the sum of its proper divisors (872092337).

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

694217104 is an frugal number, since it uses more digits than its factorization.

694217104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1904 (or 950 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The cubic root of 694217104 is about 885.4521629966.

The spelling of 694217104 in words is "six hundred ninety-four million, two hundred seventeen thousand, one hundred four".