694043 has 4 divisors (see below), whose sum is σ = 793200. Its totient is φ = 594888.

The previous prime is 694039. The next prime is 694061. The reversal of 694043 is 340496.

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

It is not a de Polignac number, because 694043 - 2² = 694039 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 694043.

It is not an unprimeable number, because it can be changed into a prime (694033) 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, 49568 + ... + 49581.

It is an arithmetic number, because the mean of its divisors is an integer number (198300).

2⁶⁹⁴⁰⁴³ is an apocalyptic number.

694043 is a deficient number, since it is larger than the sum of its proper divisors (99157).

694043 is an equidigital number, since it uses as much as digits as its factorization.

694043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99156.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 694043 is about 833.0924318466. The cubic root of 694043 is about 88.5378135409.

It can be divided in two parts, 6 and 94043, that added together give a palindrome (94049).

The spelling of 694043 in words is "six hundred ninety-four thousand, forty-three".