2620884 has 48 divisors (see below), whose sum is σ = 7168896. Its totient is φ = 729600.

The previous prime is 2620883. The next prime is 2620897. The reversal of 2620884 is 4880262.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2620883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3064 + ... + 3824.

It is an arithmetic number, because the mean of its divisors is an integer number (149352).

2^2620884 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 2620884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3584448).

2620884 is an abundant number, since it is smaller than the sum of its proper divisors (4548012).

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

2620884 is a wasteful number, since it uses less digits than its factorization.

2620884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816 (or 814 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 2620884 is about 1618.9144511060. The cubic root of 2620884 is about 137.8740712168.

It can be divided in two parts, 26 and 20884, that added together give a triangular number (20910 = T₂₀₄).

The spelling of 2620884 in words is "two million, six hundred twenty thousand, eight hundred eighty-four".