693497 has 6 divisors (see below), whose sum is σ = 806778. Its totient is φ = 594384.

The previous prime is 693493. The next prime is 693503. The reversal of 693497 is 794396.

It can be written as a sum of positive squares in only one way, i.e., 561001 + 132496 = 749^2 + 364^2 .

It is not a de Polignac number, because 693497 - 2² = 693493 is a prime.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 693497.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 693497.

It is not an unprimeable number, because it can be changed into a prime (693493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7028 + ... + 7125.

It is an arithmetic number, because the mean of its divisors is an integer number (134463).

2⁶⁹³⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

693497 is a deficient number, since it is larger than the sum of its proper divisors (113281).

693497 is a wasteful number, since it uses less digits than its factorization.

693497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14167 (or 14160 counting only the distinct ones).

The product of its digits is 40824, while the sum is 38.

The square root of 693497 is about 832.7646726417. The cubic root of 693497 is about 88.5145900382.

The spelling of 693497 in words is "six hundred ninety-three thousand, four hundred ninety-seven".