2312604216 has 192 divisors, whose sum is σ = 7156749600. Its totient is φ = 687813120.

The previous prime is 2312604211. The next prime is 2312604223. The reversal of 2312604216 is 6124062132.

2312604216 is a `hidden beast` number, since 2 + 31 + 2 + 604 + 21 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 2312604216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312604211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2698060 + ... + 2698916.

Almost surely, 2^2312604216 is an apocalyptic number.

2312604216 is a gapful number since it is divisible by the number (26) 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 2312604216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3578374800).

2312604216 is an abundant number, since it is smaller than the sum of its proper divisors (4844145384).

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

2312604216 is a wasteful number, since it uses less digits than its factorization.

2312604216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947 (or 906 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 2312604216 is about 48089.5437283408. The cubic root of 2312604216 is about 1322.4129830314.

Adding to 2312604216 its reverse (6124062132), we get a palindrome (8436666348).

The spelling of 2312604216 in words is "two billion, three hundred twelve million, six hundred four thousand, two hundred sixteen".