2720938 has 16 divisors (see below), whose sum is σ = 4477824. Its totient is φ = 1229760.

The previous prime is 2720917. The next prime is 2720953. The reversal of 2720938 is 8390272.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7231 + ... + 7597.

It is an arithmetic number, because the mean of its divisors is an integer number (279864).

2^2720938 is an apocalyptic number.

2720938 is a deficient number, since it is larger than the sum of its proper divisors (1756886).

2720938 is a wasteful number, since it uses less digits than its factorization.

2720938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717.

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

The square root of 2720938 is about 1649.5265987549. The cubic root of 2720938 is about 139.6066851750.

The spelling of 2720938 in words is "two million, seven hundred twenty thousand, nine hundred thirty-eight".