247320084 has 24 divisors (see below), whose sum is σ = 629542368. Its totient is φ = 74945440.

The previous prime is 247320083. The next prime is 247320103. The reversal of 247320084 is 480023742.

It is a super-2 number, since 2×247320084² = 122334447899534112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247320083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 936687 + ... + 936950.

It is an arithmetic number, because the mean of its divisors is an integer number (26230932).

Almost surely, 2^247320084 is an apocalyptic number.

It is an amenable number.

247320084 is an abundant number, since it is smaller than the sum of its proper divisors (382222284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

247320084 is a wasteful number, since it uses less digits than its factorization.

247320084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1873655 (or 1873653 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 247320084 is about 15726.4135771637. The cubic root of 247320084 is about 627.7014450351.

The spelling of 247320084 in words is "two hundred forty-seven million, three hundred twenty thousand, eighty-four".