697389 has 16 divisors (see below), whose sum is σ = 1159680. Its totient is φ = 362160.

The previous prime is 697387. The next prime is 697397. The reversal of 697389 is 983796.

It is a happy number.

It is not a de Polignac number, because 697389 - 2¹ = 697387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 697389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1279 + ... + 1740.

It is an arithmetic number, because the mean of its divisors is an integer number (72480).

2⁶⁹⁷³⁸⁹ is an apocalyptic number.

It is an amenable number.

697389 is a deficient number, since it is larger than the sum of its proper divisors (462291).

697389 is a wasteful number, since it uses less digits than its factorization.

697389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3040.

The product of its digits is 81648, while the sum is 42.

The square root of 697389 is about 835.0981978187. The cubic root of 697389 is about 88.6798665658.

The spelling of 697389 in words is "six hundred ninety-seven thousand, three hundred eighty-nine".