2321612928 has 80 divisors (see below), whose sum is σ = 6909113310. Its totient is φ = 773867520.

The previous prime is 2321612927. The next prime is 2321612947. The reversal of 2321612928 is 8292161232.

It is a happy number.

2321612928 is a `hidden beast` number, since 2 + 32 + 1 + 612 + 9 + 2 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1690196544 + 631416384 = 41112^2 + 25128^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2321612892 and 2321612901.

It is not an unprimeable number, because it can be changed into a prime (2321612927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 101593 + ... + 122328.

Almost surely, 2^2321612928 is an apocalyptic number.

It is an amenable number.

2321612928 is an abundant number, since it is smaller than the sum of its proper divisors (4587500382).

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

2321612928 is an equidigital number, since it uses as much as digits as its factorization.

2321612928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223947 (or 223926 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 2321612928 is about 48183.1187035460. The cubic root of 2321612928 is about 1324.1279042075.

The spelling of 2321612928 in words is "two billion, three hundred twenty-one million, six hundred twelve thousand, nine hundred twenty-eight".