693439 has 4 divisors (see below), whose sum is σ = 715840. Its totient is φ = 671040.

The previous prime is 693437. The next prime is 693487. The reversal of 693439 is 934396.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 693439 - 2¹ = 693437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (693431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11154 + ... + 11215.

It is an arithmetic number, because the mean of its divisors is an integer number (178960).

2⁶⁹³⁴³⁹ is an apocalyptic number.

693439 is a deficient number, since it is larger than the sum of its proper divisors (22401).

693439 is a wasteful number, since it uses less digits than its factorization.

693439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22400.

The product of its digits is 17496, while the sum is 34.

The square root of 693439 is about 832.7298481500. The cubic root of 693439 is about 88.5121223566.

The spelling of 693439 in words is "six hundred ninety-three thousand, four hundred thirty-nine".