699097 has 4 divisors (see below), whose sum is σ = 798976. Its totient is φ = 599220.

The previous prime is 699089. The next prime is 699113. The reversal of 699097 is 790996.

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 699097 - 2³ = 699089 is a prime.

It is an Ulam number.

It is a Duffinian number.

699097 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (699007) 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, 49929 + ... + 49942.

It is an arithmetic number, because the mean of its divisors is an integer number (199744).

2⁶⁹⁹⁰⁹⁷ is an apocalyptic number.

It is an amenable number.

699097 is a deficient number, since it is larger than the sum of its proper divisors (99879).

699097 is an equidigital number, since it uses as much as digits as its factorization.

699097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99878.

The product of its (nonzero) digits is 30618, while the sum is 40.

The square root of 699097 is about 836.1202066689. The cubic root of 699097 is about 88.7522038731.

It can be divided in two parts, 6990 and 97, that multiplied together give a triangular number (678030 = T₁₁₆₄).

The spelling of 699097 in words is "six hundred ninety-nine thousand, ninety-seven".