2146544 has 40 divisors (see below), whose sum is σ = 4583040. Its totient is φ = 969408.

The previous prime is 2146531. The next prime is 2146549. The reversal of 2146544 is 4456412.

It is a super-2 number, since 2×2146544² = 9215302287872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2146549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6839 + ... + 7145.

It is an arithmetic number, because the mean of its divisors is an integer number (114576).

2^2146544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2146544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2291520).

2146544 is an abundant number, since it is smaller than the sum of its proper divisors (2436496).

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

2146544 is a wasteful number, since it uses less digits than its factorization.

2146544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357 (or 351 counting only the distinct ones).

The product of its digits is 3840, while the sum is 26.

The square root of 2146544 is about 1465.1088696749. The cubic root of 2146544 is about 128.9970954617.

The spelling of 2146544 in words is "two million, one hundred forty-six thousand, five hundred forty-four".