694161 has 24 divisors (see below), whose sum is σ = 1146600. Its totient is φ = 400896.

The previous prime is 694123. The next prime is 694189. The reversal of 694161 is 161496.

694161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 140625 + 553536 = 375^2 + 744^2 .

It is not a de Polignac number, because 694161 - 2⁷ = 694033 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 694161.

It is not an unprimeable number, because it can be changed into a prime (694061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1815 + ... + 2163.

It is an arithmetic number, because the mean of its divisors is an integer number (47775).

2⁶⁹⁴¹⁶¹ is an apocalyptic number.

It is an amenable number.

694161 is a deficient number, since it is larger than the sum of its proper divisors (452439).

694161 is a wasteful number, since it uses less digits than its factorization.

694161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385 (or 382 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 694161 is about 833.1632493095. The cubic root of 694161 is about 88.5428309389.

The spelling of 694161 in words is "six hundred ninety-four thousand, one hundred sixty-one".