699389 has 4 divisors (see below), whose sum is σ = 705024. Its totient is φ = 693756.

The previous prime is 699383. The next prime is 699401. The reversal of 699389 is 983996.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 699389 - 2⁴ = 699373 is a prime.

It is a Duffinian number.

It is a Curzon 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 699389.

It is not an unprimeable number, because it can be changed into a prime (699383) 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, 2627 + ... + 2880.

It is an arithmetic number, because the mean of its divisors is an integer number (176256).

2⁶⁹⁹³⁸⁹ is an apocalyptic number.

It is an amenable number.

699389 is a deficient number, since it is larger than the sum of its proper divisors (5635).

699389 is a wasteful number, since it uses less digits than its factorization.

699389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5634.

The product of its digits is 104976, while the sum is 44.

The square root of 699389 is about 836.2948044799. The cubic root of 699389 is about 88.7645588759.

The spelling of 699389 in words is "six hundred ninety-nine thousand, three hundred eighty-nine".