697938 has 16 divisors (see below), whose sum is σ = 1412640. Its totient is φ = 229856.

The previous prime is 697937. The next prime is 697951. The reversal of 697938 is 839796.

It is a happy number.

It is a super-3 number, since 3×697938³ = 1019933340315293016, which contains 333 as substring.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 697938.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697937) 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, 120 + ... + 1187.

It is an arithmetic number, because the mean of its divisors is an integer number (88290).

2⁶⁹⁷⁹³⁸ is an apocalyptic number.

697938 is an abundant number, since it is smaller than the sum of its proper divisors (714702).

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

697938 is a wasteful number, since it uses less digits than its factorization.

697938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401.

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

The square root of 697938 is about 835.4268370121. The cubic root of 697938 is about 88.7031307110.

The spelling of 697938 in words is "six hundred ninety-seven thousand, nine hundred thirty-eight".