696439 has 8 divisors (see below), whose sum is σ = 749088. Its totient is φ = 645120.

The previous prime is 696433. The next prime is 696457. The reversal of 696439 is 934696.

696439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 696439 - 2⁹ = 695927 is a prime.

It is an Ulam number.

696439 is a lucky number.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 696398 and 696407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (696433) 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, 919 + ... + 1495.

It is an arithmetic number, because the mean of its divisors is an integer number (93636).

2⁶⁹⁶⁴³⁹ is an apocalyptic number.

696439 is a deficient number, since it is larger than the sum of its proper divisors (52649).

696439 is a wasteful number, since it uses less digits than its factorization.

696439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665.

The product of its digits is 34992, while the sum is 37.

The square root of 696439 is about 834.5292085961. The cubic root of 696439 is about 88.6395809881.

The spelling of 696439 in words is "six hundred ninety-six thousand, four hundred thirty-nine".