2126516 has 24 divisors (see below), whose sum is σ = 4287360. Its totient is φ = 904032.

The previous prime is 2126491. The next prime is 2126539. The reversal of 2126516 is 6156212.

It is a junction number, because it is equal to n+sod(n) for n = 2126491 and 2126500.

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, 4625 + ... + 5063.

It is an arithmetic number, because the mean of its divisors is an integer number (178640).

2^2126516 is an apocalyptic number.

It is an amenable number.

2126516 is an abundant number, since it is smaller than the sum of its proper divisors (2160844).

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

2126516 is a wasteful number, since it uses less digits than its factorization.

2126516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623 (or 621 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 2126516 is about 1458.2578647139. The cubic root of 2126516 is about 128.5946453077.

The spelling of 2126516 in words is "two million, one hundred twenty-six thousand, five hundred sixteen".