699479 has 4 divisors (see below), whose sum is σ = 763080. Its totient is φ = 635880.

The previous prime is 699469. The next prime is 699493. The reversal of 699479 is 974996.

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 699479 - 2⁴ = 699463 is a prime.

It is a Duffinian number.

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 699479.

It is not an unprimeable number, because it can be changed into a prime (699449) 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, 31784 + ... + 31805.

It is an arithmetic number, because the mean of its divisors is an integer number (190770).

2⁶⁹⁹⁴⁷⁹ is an apocalyptic number.

699479 is a deficient number, since it is larger than the sum of its proper divisors (63601).

699479 is a wasteful number, since it uses less digits than its factorization.

699479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63600.

The product of its digits is 122472, while the sum is 44.

The square root of 699479 is about 836.3486115251. The cubic root of 699479 is about 88.7683662314.

The spelling of 699479 in words is "six hundred ninety-nine thousand, four hundred seventy-nine".