694536 has 32 divisors (see below), whose sum is σ = 1779360. Its totient is φ = 225792.

The previous prime is 694523. The next prime is 694541. The reversal of 694536 is 635496.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 694497 and 694506.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 694536.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 696 + ... + 1368.

It is an arithmetic number, because the mean of its divisors is an integer number (55605).

2⁶⁹⁴⁵³⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 694536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (889680).

694536 is an abundant number, since it is smaller than the sum of its proper divisors (1084824).

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

694536 is a wasteful number, since it uses less digits than its factorization.

694536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725 (or 721 counting only the distinct ones).

The product of its digits is 19440, while the sum is 33.

The square root of 694536 is about 833.3882648562. The cubic root of 694536 is about 88.5587722860.

The spelling of 694536 in words is "six hundred ninety-four thousand, five hundred thirty-six".