696820 has 12 divisors (see below), whose sum is σ = 1463364. Its totient is φ = 278720.

The previous prime is 696811. The next prime is 696823. The reversal of 696820 is 28696.

696820 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 2 ways, for example, as 169744 + 527076 = 412^2 + 726^2 .

It is a super-2 number, since 2×696820² = 971116224800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (696823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17401 + ... + 17440.

It is an arithmetic number, because the mean of its divisors is an integer number (121947).

2⁶⁹⁶⁸²⁰ is an apocalyptic number.

It is an amenable number.

696820 is an abundant number, since it is smaller than the sum of its proper divisors (766544).

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

696820 is a wasteful number, since it uses less digits than its factorization.

696820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34850 (or 34848 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 696820 is about 834.7574498020. The cubic root of 696820 is about 88.6557420225.

It can be divided in two parts, 69 and 6820, that added together give a square (6889 = 83²).

The spelling of 696820 in words is "six hundred ninety-six thousand, eight hundred twenty".