2142798 has 32 divisors (see below), whose sum is σ = 4943616. Its totient is φ = 606528.

The previous prime is 2142793. The next prime is 2142823. The reversal of 2142798 is 8972412.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6690 + ... + 7002.

It is an arithmetic number, because the mean of its divisors is an integer number (154488).

2^2142798 is an apocalyptic number.

2142798 is an abundant number, since it is smaller than the sum of its proper divisors (2800818).

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

2142798 is a wasteful number, since it uses less digits than its factorization.

2142798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488.

The product of its digits is 8064, while the sum is 33.

The square root of 2142798 is about 1463.8299081519. The cubic root of 2142798 is about 128.9220128346.

The spelling of 2142798 in words is "two million, one hundred forty-two thousand, seven hundred ninety-eight".