247986382 has 32 divisors (see below), whose sum is σ = 436119552. Its totient is φ = 103550784.

The previous prime is 247986379. The next prime is 247986397. The reversal of 247986382 is 283689742.

247986382 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×247986382² = 122994491314899848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172338 + ... + 173770.

It is an arithmetic number, because the mean of its divisors is an integer number (13628736).

Almost surely, 2^247986382 is an apocalyptic number.

247986382 is a deficient number, since it is larger than the sum of its proper divisors (188133170).

247986382 is a wasteful number, since it uses less digits than its factorization.

247986382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752.

The product of its digits is 1161216, while the sum is 49.

The square root of 247986382 is about 15747.5833701556. The cubic root of 247986382 is about 628.2646304501.

The spelling of 247986382 in words is "two hundred forty-seven million, nine hundred eighty-six thousand, three hundred eighty-two".