694239 has 16 divisors (see below), whose sum is σ = 1139712. Its totient is φ = 366048.

The previous prime is 694223. The next prime is 694259. The reversal of 694239 is 932496.

It is not a de Polignac number, because 694239 - 2⁴ = 694223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (694259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 999 + ... + 1544.

It is an arithmetic number, because the mean of its divisors is an integer number (71232).

2⁶⁹⁴²³⁹ is an apocalyptic number.

694239 is a deficient number, since it is larger than the sum of its proper divisors (445473).

694239 is a wasteful number, since it uses less digits than its factorization.

694239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2566.

The product of its digits is 11664, while the sum is 33.

The square root of 694239 is about 833.2100575485. The cubic root of 694239 is about 88.5461472119.

The spelling of 694239 in words is "six hundred ninety-four thousand, two hundred thirty-nine".