695391 has 8 divisors (see below), whose sum is σ = 959280. Its totient is φ = 447552.

The previous prime is 695389. The next prime is 695407. The reversal of 695391 is 193596.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 695391 - 2¹ = 695389 is a prime.

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 695391.

It is not an unprimeable number, because it can be changed into a prime (695371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3910 + ... + 4083.

It is an arithmetic number, because the mean of its divisors is an integer number (119910).

2⁶⁹⁵³⁹¹ is an apocalyptic number.

695391 is a deficient number, since it is larger than the sum of its proper divisors (263889).

695391 is a wasteful number, since it uses less digits than its factorization.

695391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8025.

The product of its digits is 7290, while the sum is 33.

The square root of 695391 is about 833.9010732695. The cubic root of 695391 is about 88.5950971135.

It can be divided in two parts, 69 and 5391, that added together give a triangular number (5460 = T₁₀₄).

The spelling of 695391 in words is "six hundred ninety-five thousand, three hundred ninety-one".