699347 has 4 divisors (see below), whose sum is σ = 762936. Its totient is φ = 635760.

The previous prime is 699343. The next prime is 699367. The reversal of 699347 is 743996.

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 699347 - 2² = 699343 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 699347.

It is not an unprimeable number, because it can be changed into a prime (699343) 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, 31778 + ... + 31799.

It is an arithmetic number, because the mean of its divisors is an integer number (190734).

2⁶⁹⁹³⁴⁷ is an apocalyptic number.

699347 is a deficient number, since it is larger than the sum of its proper divisors (63589).

699347 is a wasteful number, since it uses less digits than its factorization.

699347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63588.

The product of its digits is 40824, while the sum is 38.

The square root of 699347 is about 836.2696933406. The cubic root of 699347 is about 88.7627819982.

The spelling of 699347 in words is "six hundred ninety-nine thousand, three hundred forty-seven".