2978272 has 24 divisors (see below), whose sum is σ = 6397272. Its totient is φ = 1353600.

The previous prime is 2978267. The next prime is 2978273. The reversal of 2978272 is 2728792.

2978272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2978273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3879 + ... + 4582.

It is an arithmetic number, because the mean of its divisors is an integer number (266553).

2^2978272 is an apocalyptic number.

2978272 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2978272 is an abundant number, since it is smaller than the sum of its proper divisors (3419000).

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

2978272 is a wasteful number, since it uses less digits than its factorization.

2978272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8482 (or 8474 counting only the distinct ones).

The product of its digits is 28224, while the sum is 37.

The square root of 2978272 is about 1725.7670758245. The cubic root of 2978272 is about 143.8759219250.

The spelling of 2978272 in words is "two million, nine hundred seventy-eight thousand, two hundred seventy-two".