696987 has 12 divisors (see below), whose sum is σ = 1030744. Its totient is φ = 453600.

The previous prime is 696961. The next prime is 696989. The reversal of 696987 is 789696.

696987 is digitally balanced in base 2 and base 7, because in such bases it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-696987 is a prime.

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

It is a Duffinian number.

696987 is strictly pandigital in base 7.

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 696987.

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 11 ways as a sum of consecutive naturals, for example, 514 + ... + 1287.

2⁶⁹⁶⁹⁸⁷ is an apocalyptic number.

696987 is a deficient number, since it is larger than the sum of its proper divisors (333757).

696987 is a wasteful number, since it uses less digits than its factorization.

696987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850 (or 1847 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 696987 is about 834.8574728659. The cubic root of 696987 is about 88.6628238735.

It can be divided in two parts, 6969 and 87, that added together give a square (7056 = 84²).

The spelling of 696987 in words is "six hundred ninety-six thousand, nine hundred eighty-seven".