695440 has 20 divisors (see below), whose sum is σ = 1617084. Its totient is φ = 278144.

The previous prime is 695411. The next prime is 695441. The reversal of 695440 is 44596.

It can be written as a sum of positive squares in 2 ways, for example, as 123904 + 571536 = 352^2 + 756^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 695399 and 695408.

It is not an unprimeable number, because it can be changed into a prime (695441) 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, 4267 + ... + 4426.

2⁶⁹⁵⁴⁴⁰ is an apocalyptic number.

It is an amenable number.

695440 is an abundant number, since it is smaller than the sum of its proper divisors (921644).

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

695440 is a wasteful number, since it uses less digits than its factorization.

695440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8706 (or 8700 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 695440 is about 833.9304527357. The cubic root of 695440 is about 88.5971779849.

The spelling of 695440 in words is "six hundred ninety-five thousand, four hundred forty".