2141802 has 56 divisors (see below), whose sum is σ = 5233284. Its totient is φ = 653184.

The previous prime is 2141801. The next prime is 2141803. The reversal of 2141802 is 2081412.

It is an interprime number because it is at equal distance from previous prime (2141801) and next prime (2141803).

It can be written as a sum of positive squares in 2 ways, for example, as 1610361 + 531441 = 1269^2 + 729^2 .

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 (2141801) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 18898 + ... + 19010.

2^2141802 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2141802, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2616642).

2141802 is an abundant number, since it is smaller than the sum of its proper divisors (3091482).

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

2141802 is a wasteful number, since it uses less digits than its factorization.

2141802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 2141802 is about 1463.4896651497. The cubic root of 2141802 is about 128.9020348704.

It can be divided in two parts, 214 and 1802, that added together give a triangular number (2016 = T₆₃).

The spelling of 2141802 in words is "two million, one hundred forty-one thousand, eight hundred two".