699497 has 4 divisors (see below), whose sum is σ = 701520. Its totient is φ = 697476.

The previous prime is 699493. The next prime is 699511. The reversal of 699497 is 794996.

699497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 699497 - 2² = 699493 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (699493) 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, 347 + ... + 1232.

It is an arithmetic number, because the mean of its divisors is an integer number (175380).

2⁶⁹⁹⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

699497 is a deficient number, since it is larger than the sum of its proper divisors (2023).

699497 is a wasteful number, since it uses less digits than its factorization.

699497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022.

The product of its digits is 122472, while the sum is 44.

The square root of 699497 is about 836.3593725188. The cubic root of 699497 is about 88.7691276633.

The spelling of 699497 in words is "six hundred ninety-nine thousand, four hundred ninety-seven".