247216000 has 64 divisors (see below), whose sum is σ = 614680560. Its totient is φ = 98880000.

The previous prime is 247215967. The next prime is 247216003. The reversal of 247216000 is 612742.

247216000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×247216000² = 122231501312000000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247216003) 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, 8275 + ... + 23725.

Almost surely, 2^247216000 is an apocalyptic number.

247216000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 247216000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307340280).

247216000 is an abundant number, since it is smaller than the sum of its proper divisors (367464560).

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

247216000 is an equidigital number, since it uses as much as digits as its factorization.

247216000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15480 (or 15458 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 247216000 is about 15723.1040192451. The cubic root of 247216000 is about 627.6133771846.

Adding to 247216000 its reverse (612742), we get a palindrome (247828742).

The spelling of 247216000 in words is "two hundred forty-seven million, two hundred sixteen thousand".