699887 has 8 divisors (see below), whose sum is σ = 732672. Its totient is φ = 667800.

The previous prime is 699863. The next prime is 699931. The reversal of 699887 is 788996.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 699887 - 2⁶ = 699823 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (699817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3212 + ... + 3422.

It is an arithmetic number, because the mean of its divisors is an integer number (91584).

2⁶⁹⁹⁸⁸⁷ is an apocalyptic number.

699887 is a deficient number, since it is larger than the sum of its proper divisors (32785).

699887 is a wasteful number, since it uses less digits than its factorization.

699887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349.

The product of its digits is 217728, while the sum is 47.

The square root of 699887 is about 836.5924933921. The cubic root of 699887 is about 88.7856221480.

The spelling of 699887 in words is "six hundred ninety-nine thousand, eight hundred eighty-seven".