699764 has 12 divisors (see below), whose sum is σ = 1318884. Its totient is φ = 322944.

The previous prime is 699761. The next prime is 699767. The reversal of 699764 is 467996.

It is an interprime number because it is at equal distance from previous prime (699761) and next prime (699767).

It can be written as a sum of positive squares in 2 ways, for example, as 478864 + 220900 = 692^2 + 470^2 .

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 699764.

It is not an unprimeable number, because it can be changed into a prime (699761) 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, 6677 + ... + 6780.

It is an arithmetic number, because the mean of its divisors is an integer number (109907).

2⁶⁹⁹⁷⁶⁴ is an apocalyptic number.

It is an amenable number.

699764 is a deficient number, since it is larger than the sum of its proper divisors (619120).

699764 is a wasteful number, since it uses less digits than its factorization.

699764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13474 (or 13472 counting only the distinct ones).

The product of its digits is 81648, while the sum is 41.

The square root of 699764 is about 836.5189776688. The cubic root of 699764 is about 88.7804207029.

The spelling of 699764 in words is "six hundred ninety-nine thousand, seven hundred sixty-four".