2621064 has 16 divisors (see below), whose sum is σ = 6552720. Its totient is φ = 873680.

The previous prime is 2621063. The next prime is 2621119. The reversal of 2621064 is 4601262.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2621064.

It is not an unprimeable number, because it can be changed into a prime (2621063) 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 3 ways as a sum of consecutive naturals, for example, 54582 + ... + 54629.

It is an arithmetic number, because the mean of its divisors is an integer number (409545).

2^2621064 is an apocalyptic number.

2621064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2621064 is an abundant number, since it is smaller than the sum of its proper divisors (3931656).

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

2621064 is a wasteful number, since it uses less digits than its factorization.

2621064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109220 (or 109216 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2621064 is about 1618.9700429594. The cubic root of 2621064 is about 137.8772275011.

It can be divided in two parts, 262 and 1064, that added together give a triangular number (1326 = T₅₁).

The spelling of 2621064 in words is "two million, six hundred twenty-one thousand, sixty-four".