2938720 has 24 divisors (see below), whose sum is σ = 6943104. Its totient is φ = 1175424.

The previous prime is 2938717. The next prime is 2938729. The reversal of 2938720 is 278392.

2938720 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2938729) 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, 9024 + ... + 9343.

It is an arithmetic number, because the mean of its divisors is an integer number (289296).

2^2938720 is an apocalyptic number.

2938720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2938720 is an abundant number, since it is smaller than the sum of its proper divisors (4004384).

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

2938720 is a wasteful number, since it uses less digits than its factorization.

2938720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18382 (or 18374 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 2938720 is about 1714.2695237331. The cubic root of 2938720 is about 143.2361819873.

The spelling of 2938720 in words is "two million, nine hundred thirty-eight thousand, seven hundred twenty".