2620938 has 16 divisors (see below), whose sum is σ = 5294016. Its totient is φ = 864960.

The previous prime is 2620927. The next prime is 2620939. The reversal of 2620938 is 8390262.

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2620939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1503 + ... + 2738.

It is an arithmetic number, because the mean of its divisors is an integer number (330876).

2^2620938 is an apocalyptic number.

2620938 is an abundant number, since it is smaller than the sum of its proper divisors (2673078).

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

2620938 is a wasteful number, since it uses less digits than its factorization.

2620938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4349.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 2620938 is about 1618.9311288625. The cubic root of 2620938 is about 137.8750181173.

The spelling of 2620938 in words is "two million, six hundred twenty thousand, nine hundred thirty-eight".