247696 has 20 divisors (see below), whose sum is σ = 487692. Its totient is φ = 121856.

The previous prime is 247693. The next prime is 247697. The reversal of 247696 is 696742.

247696 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 57600 + 190096 = 240^2 + 436^2 .

It is a super-2 number, since 2×247696² = 122706616832, which contains 22 as substring.

Its product of digits (18144) is a multiple of the sum of its prime divisors (252).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247691) 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, 1740 + ... + 1876.

2²⁴⁷⁶⁹⁶ is an apocalyptic number.

It is an amenable number.

247696 is a deficient number, since it is larger than the sum of its proper divisors (239996).

247696 is a wasteful number, since it uses less digits than its factorization.

247696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258 (or 252 counting only the distinct ones).

The product of its digits is 18144, while the sum is 34.

The square root of 247696 is about 497.6906669810. The cubic root of 247696 is about 62.8019310534.

The spelling of 247696 in words is "two hundred forty-seven thousand, six hundred ninety-six".