694017085 has 12 divisors (see below), whose sum is σ = 878962428. Its totient is φ = 525990528.

The previous prime is 694017083. The next prime is 694017089. The reversal of 694017085 is 580710496.

It can be written as a sum of positive squares in 2 ways, for example, as 486599481 + 207417604 = 22059^2 + 14402^2 .

It is not a de Polignac number, because 694017085 - 2¹ = 694017083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (694017083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 190444 + ... + 194053.

It is an arithmetic number, because the mean of its divisors is an integer number (73246869).

Almost surely, 2^694017085 is an apocalyptic number.

It is an amenable number.

694017085 is a deficient number, since it is larger than the sum of its proper divisors (184945343).

694017085 is a wasteful number, since it uses less digits than its factorization.

694017085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384540 (or 384521 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 694017085 is about 26344.2040115089. The cubic root of 694017085 is about 885.3671155058.

It can be divided in two parts, 6940 and 17085, that added together give a square (24025 = 155²).

The spelling of 694017085 in words is "six hundred ninety-four million, seventeen thousand, eighty-five".