699801 has 4 divisors (see below), whose sum is σ = 933072. Its totient is φ = 466532.

The previous prime is 699793. The next prime is 699817. The reversal of 699801 is 108996.

It is a happy number.

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 699801 - 2³ = 699793 is a prime.

It is a D-number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (699001) 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, 116631 + ... + 116636.

It is an arithmetic number, because the mean of its divisors is an integer number (233268).

2⁶⁹⁹⁸⁰¹ is an apocalyptic number.

It is an amenable number.

699801 is a deficient number, since it is larger than the sum of its proper divisors (233271).

699801 is a wasteful number, since it uses less digits than its factorization.

699801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233270.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 699801 is about 836.5410928341. The cubic root of 699801 is about 88.7819854294.

It can be divided in two parts, 69 and 9801, that added together give a triangular number (9870 = T₁₄₀).

The spelling of 699801 in words is "six hundred ninety-nine thousand, eight hundred one".