697436 has 12 divisors (see below), whose sum is σ = 1232112. Its totient is φ = 345408.

The previous prime is 697423. The next prime is 697441. The reversal of 697436 is 634796.

It is a junction number, because it is equal to n+sod(n) for n = 697396 and 697405.

It is a congruent number.

It is an unprimeable number.

697436 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320 + ... + 1223.

It is an arithmetic number, because the mean of its divisors is an integer number (102676).

2⁶⁹⁷⁴³⁶ is an apocalyptic number.

It is an amenable number.

697436 is a deficient number, since it is larger than the sum of its proper divisors (534676).

697436 is a wasteful number, since it uses less digits than its factorization.

697436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660 (or 1658 counting only the distinct ones).

The product of its digits is 27216, while the sum is 35.

The square root of 697436 is about 835.1263377478. The cubic root of 697436 is about 88.6818586917.

The spelling of 697436 in words is "six hundred ninety-seven thousand, four hundred thirty-six".