696981 has 8 divisors (see below), whose sum is σ = 933280. Its totient is φ = 462672.

The previous prime is 696961. The next prime is 696989. The reversal of 696981 is 189696.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 696981 - 2⁷ = 696853 is a prime.

It is a super-2 number, since 2×696981² = 971565028722, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a Curzon number.

696981 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 696981.

It is not an unprimeable number, because it can be changed into a prime (696989) 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, 831 + ... + 1443.

It is an arithmetic number, because the mean of its divisors is an integer number (116660).

2⁶⁹⁶⁹⁸¹ is an apocalyptic number.

It is an amenable number.

696981 is a deficient number, since it is larger than the sum of its proper divisors (236299).

696981 is a wasteful number, since it uses less digits than its factorization.

696981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995.

The product of its digits is 23328, while the sum is 39.

The square root of 696981 is about 834.8538794304. The cubic root of 696981 is about 88.6625694553.

The spelling of 696981 in words is "six hundred ninety-six thousand, nine hundred eighty-one".