2159424 has 84 divisors (see below), whose sum is σ = 6498336. Its totient is φ = 684288.

The previous prime is 2159419. The next prime is 2159449. The reversal of 2159424 is 4249512.

It is a super-2 number, since 2×2159424² = 9326224023552, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13167 + ... + 13329.

2^2159424 is an apocalyptic number.

2159424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2159424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3249168).

2159424 is an abundant number, since it is smaller than the sum of its proper divisors (4338912).

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

2159424 is a wasteful number, since it uses less digits than its factorization.

2159424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 191 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 2159424 is about 1469.4978734248. The cubic root of 2159424 is about 129.2545900621.

The spelling of 2159424 in words is "two million, one hundred fifty-nine thousand, four hundred twenty-four".