2126428 has 12 divisors (see below), whose sum is σ = 3940272. Its totient is φ = 1000640.

The previous prime is 2126407. The next prime is 2126429. The reversal of 2126428 is 8246212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15568 + ... + 15703.

It is an arithmetic number, because the mean of its divisors is an integer number (328356).

2^2126428 is an apocalyptic number.

It is an amenable number.

2126428 is a deficient number, since it is larger than the sum of its proper divisors (1813844).

2126428 is a wasteful number, since it uses less digits than its factorization.

2126428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31292 (or 31290 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

The square root of 2126428 is about 1458.2276914117. The cubic root of 2126428 is about 128.5928714383.

The spelling of 2126428 in words is "two million, one hundred twenty-six thousand, four hundred twenty-eight".