2620672 has 36 divisors (see below), whose sum is σ = 5426820. Its totient is φ = 1261568.

The previous prime is 2620663. The next prime is 2620741. The reversal of 2620672 is 2760262.

It is a happy number.

2620672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1218816 + 1401856 = 1104^2 + 1184^2 .

It is a congruent number.

It is an unprimeable number.

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, 7248 + ... + 7600.

It is an arithmetic number, because the mean of its divisors is an integer number (150745).

2^2620672 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 2620672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2713410).

2620672 is an abundant number, since it is smaller than the sum of its proper divisors (2806148).

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

2620672 is an equidigital number, since it uses as much as digits as its factorization.

2620672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398 (or 384 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 2620672 is about 1618.8489738082. The cubic root of 2620672 is about 137.8703536301.

The spelling of 2620672 in words is "two million, six hundred twenty thousand, six hundred seventy-two".