2126398 has 8 divisors (see below), whose sum is σ = 3199392. Its totient is φ = 1059936.

The previous prime is 2126387. The next prime is 2126407. The reversal of 2126398 is 8936212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 715 + ... + 2182.

It is an arithmetic number, because the mean of its divisors is an integer number (399924).

2^2126398 is an apocalyptic number.

2126398 is a deficient number, since it is larger than the sum of its proper divisors (1072994).

2126398 is a wasteful number, since it uses less digits than its factorization.

2126398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3266.

The product of its digits is 5184, while the sum is 31.

The square root of 2126398 is about 1458.2174049160. The cubic root of 2126398 is about 128.5922666989.

The spelling of 2126398 in words is "two million, one hundred twenty-six thousand, three hundred ninety-eight".