2150028 has 18 divisors (see below), whose sum is σ = 5434884. Its totient is φ = 716664.

The previous prime is 2150023. The next prime is 2150039. The reversal of 2150028 is 8200512.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2150023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29826 + ... + 29897.

It is an arithmetic number, because the mean of its divisors is an integer number (301938).

2^2150028 is an apocalyptic number.

It is an amenable number.

2150028 is an abundant number, since it is smaller than the sum of its proper divisors (3284856).

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

2150028 is a wasteful number, since it uses less digits than its factorization.

2150028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59733 (or 59728 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 2150028 is about 1466.2973777512. The cubic root of 2150028 is about 129.0668483527.

It can be divided in two parts, 21500 and 28, that added together give a triangular number (21528 = T₂₀₇).

The spelling of 2150028 in words is "two million, one hundred fifty thousand, twenty-eight".