2126898 has 40 divisors (see below), whose sum is σ = 5023920. Its totient is φ = 670680.

The previous prime is 2126897. The next prime is 2126899. The reversal of 2126898 is 8986212.

It is an interprime number because it is at equal distance from previous prime (2126897) and next prime (2126899).

It is not an unprimeable number, because it can be changed into a prime (2126893) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2733 + ... + 3423.

It is an arithmetic number, because the mean of its divisors is an integer number (125598).

2^2126898 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2126898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2511960).

2126898 is an abundant number, since it is smaller than the sum of its proper divisors (2897022).

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

2126898 is a wasteful number, since it uses less digits than its factorization.

2126898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724 (or 715 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 2126898 is about 1458.3888370390. The cubic root of 2126898 is about 128.6023449462.

The spelling of 2126898 in words is "two million, one hundred twenty-six thousand, eight hundred ninety-eight".