2159028 has 24 divisors (see below), whose sum is σ = 5597760. Its totient is φ = 719640.

The previous prime is 2159023. The next prime is 2159041. The reversal of 2159028 is 8209512.

It is a super-2 number, since 2×2159028² = 9322803809568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2158992 and 2159010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2159023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9888 + ... + 10103.

It is an arithmetic number, because the mean of its divisors is an integer number (233240).

2^2159028 is an apocalyptic number.

It is an amenable number.

2159028 is an abundant number, since it is smaller than the sum of its proper divisors (3438732).

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

2159028 is a wasteful number, since it uses less digits than its factorization.

2159028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20004 (or 19996 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 2159028 is about 1469.3631273446. The cubic root of 2159028 is about 129.2466885805.

It can be divided in two parts, 21 and 59028, that added together give a 10-th power (59049 = 3¹⁰).

The spelling of 2159028 in words is "two million, one hundred fifty-nine thousand, twenty-eight".