697842 has 16 divisors (see below), whose sum is σ = 1550880. Its totient is φ = 232596.

The previous prime is 697831. The next prime is 697877. The reversal of 697842 is 248796.

It is a d-powerful number, because it can be written as 6⁵ + 9⁶ + 8⁵ + 7⁶ + 4² + 2¹³ .

It is a junction number, because it is equal to n+sod(n) for n = 697797 and 697806.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 697842.

It is an unprimeable number.

697842 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 7 ways as a sum of consecutive naturals, for example, 6408 + ... + 6515.

It is an arithmetic number, because the mean of its divisors is an integer number (96930).

2⁶⁹⁷⁸⁴² is an apocalyptic number.

697842 is an abundant number, since it is smaller than the sum of its proper divisors (853038).

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

697842 is a wasteful number, since it uses less digits than its factorization.

697842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12934 (or 12928 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 697842 is about 835.3693793766. The cubic root of 697842 is about 88.6990635441.

The spelling of 697842 in words is "six hundred ninety-seven thousand, eight hundred forty-two".