247036 has 12 divisors (see below), whose sum is σ = 436240. Its totient is φ = 122400.

The previous prime is 247031. The next prime is 247067. The reversal of 247036 is 630742.

It is a super-2 number, since 2×247036² = 122053570592, which contains 22 as substring.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 246998 and 247016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247031) by changing a digit.

247036 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 400 + ... + 808.

2²⁴⁷⁰³⁶ is an apocalyptic number.

It is an amenable number.

247036 is a deficient number, since it is larger than the sum of its proper divisors (189204).

247036 is a wasteful number, since it uses less digits than its factorization.

247036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564 (or 562 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 247036 is about 497.0271622356. The cubic root of 247036 is about 62.7461016715.

Adding to 247036 its reverse (630742), we get a palindrome (877778).

The spelling of 247036 in words is "two hundred forty-seven thousand, thirty-six".