696669 has 8 divisors (see below), whose sum is σ = 934752. Its totient is φ = 461520.

The previous prime is 696659. The next prime is 696679. The reversal of 696669 is 966696.

696669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (696659) and next prime (696679).

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

It is not a de Polignac number, because 696669 - 2⁴ = 696653 is a prime.

It is a super-2 number, since 2×696669² = 970695391122, which contains 22 as substring.

696669 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 696669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (696629) 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, 99 + ... + 1184.

It is an arithmetic number, because the mean of its divisors is an integer number (116844).

2⁶⁹⁶⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

696669 is a deficient number, since it is larger than the sum of its proper divisors (238083).

696669 is a wasteful number, since it uses less digits than its factorization.

696669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467.

The product of its digits is 104976, while the sum is 42.

The square root of 696669 is about 834.6669994675. Note that the first 3 decimals coincide. The cubic root of 696669 is about 88.6493376980.

The spelling of 696669 in words is "six hundred ninety-six thousand, six hundred sixty-nine".