2506620 has 24 divisors (see below), whose sum is σ = 7018704. Its totient is φ = 668416.

The previous prime is 2506619. The next prime is 2506631. The reversal of 2506620 is 266052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20829 + ... + 20948.

It is an arithmetic number, because the mean of its divisors is an integer number (292446).

2^2506620 is an apocalyptic number.

2506620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2506620 is an abundant number, since it is smaller than the sum of its proper divisors (4512084).

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

2506620 is a wasteful number, since it uses less digits than its factorization.

2506620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41789 (or 41787 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2506620 is about 1583.2308738778. The cubic root of 2506620 is about 135.8405715423.

The spelling of 2506620 in words is "two million, five hundred six thousand, six hundred twenty".