2146556 has 12 divisors (see below), whose sum is σ = 3977568. Its totient is φ = 1010112.

The previous prime is 2146549. The next prime is 2146561. The reversal of 2146556 is 6556412.

It is a super-2 number, since 2×2146556² = 9215405322272, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15716 + ... + 15851.

It is an arithmetic number, because the mean of its divisors is an integer number (331464).

2^2146556 is an apocalyptic number.

It is an amenable number.

2146556 is a deficient number, since it is larger than the sum of its proper divisors (1831012).

2146556 is a wasteful number, since it uses less digits than its factorization.

2146556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31588 (or 31586 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 2146556 is about 1465.1129649280. The cubic root of 2146556 is about 128.9973358423.

The spelling of 2146556 in words is "two million, one hundred forty-six thousand, five hundred fifty-six".