2621010 has 48 divisors (see below), whose sum is σ = 7321536. Its totient is φ = 598752.

The previous prime is 2620999. The next prime is 2621023. The reversal of 2621010 is 101262.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 579 + ... + 2361.

It is an arithmetic number, because the mean of its divisors is an integer number (152532).

2^2621010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2621010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3660768).

2621010 is an abundant number, since it is smaller than the sum of its proper divisors (4700526).

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

2621010 is a wasteful number, since it uses less digits than its factorization.

2621010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807 (or 1800 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2621010 is about 1618.9533656038. The cubic root of 2621010 is about 137.8762806310.

Adding to 2621010 its reverse (101262), we get a palindrome (2722272).

The spelling of 2621010 in words is "two million, six hundred twenty-one thousand, ten".