2126940 has 24 divisors (see below), whose sum is σ = 5955600. Its totient is φ = 567168.

The previous prime is 2126933. The next prime is 2126951. The reversal of 2126940 is 496212.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2126940.

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, 17665 + ... + 17784.

It is an arithmetic number, because the mean of its divisors is an integer number (248150).

2^2126940 is an apocalyptic number.

2126940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2126940 is an abundant number, since it is smaller than the sum of its proper divisors (3828660).

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

2126940 is a wasteful number, since it uses less digits than its factorization.

2126940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35461 (or 35459 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 2126940 is about 1458.4032364199. The cubic root of 2126940 is about 128.6031914470.

The spelling of 2126940 in words is "two million, one hundred twenty-six thousand, nine hundred forty".