2506860 has 72 divisors (see below), whose sum is σ = 8015280. Its totient is φ = 632448.

The previous prime is 2506859. The next prime is 2506873. The reversal of 2506860 is 686052.

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, 3054 + ... + 3786.

2^2506860 is an apocalyptic number.

2506860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2506860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4007640).

2506860 is an abundant number, since it is smaller than the sum of its proper divisors (5508420).

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

2506860 is a wasteful number, since it uses less digits than its factorization.

2506860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767 (or 762 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 2506860 is about 1583.3066664421. The cubic root of 2506860 is about 135.8449068220.

The spelling of 2506860 in words is "two million, five hundred six thousand, eight hundred sixty".