2992256 has 32 divisors (see below), whose sum is σ = 6047580. Its totient is φ = 1474560.

The previous prime is 2992243. The next prime is 2992259. The reversal of 2992256 is 6522992.

It can be written as a sum of positive squares in 2 ways, for example, as 2958400 + 33856 = 1720^2 + 184^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2992259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12296 + ... + 12536.

2^2992256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2992256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3023790).

2992256 is an abundant number, since it is smaller than the sum of its proper divisors (3055324).

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

2992256 is an equidigital number, since it uses as much as digits as its factorization.

2992256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352 (or 340 counting only the distinct ones).

The product of its digits is 19440, while the sum is 35.

The square root of 2992256 is about 1729.8138628188. The cubic root of 2992256 is about 144.1007525353.

The spelling of 2992256 in words is "two million, nine hundred ninety-two thousand, two hundred fifty-six".