694939 has 4 divisors (see below), whose sum is σ = 794224. Its totient is φ = 595656.

The previous prime is 694919. The next prime is 694951. The reversal of 694939 is 939496.

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 694939 - 2⁹ = 694427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (694919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49632 + ... + 49645.

It is an arithmetic number, because the mean of its divisors is an integer number (198556).

2⁶⁹⁴⁹³⁹ is an apocalyptic number.

694939 is a deficient number, since it is larger than the sum of its proper divisors (99285).

694939 is an equidigital number, since it uses as much as digits as its factorization.

694939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99284.

The product of its digits is 52488, while the sum is 40.

The square root of 694939 is about 833.6300138551. The cubic root of 694939 is about 88.5758975249.

The spelling of 694939 in words is "six hundred ninety-four thousand, nine hundred thirty-nine".