2171426 has 8 divisors (see below), whose sum is σ = 3362304. Its totient is φ = 1050660.

The previous prime is 2171387. The next prime is 2171431. The reversal of 2171426 is 6241712.

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

It is a nialpdrome in base 12.

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, 17450 + ... + 17573.

It is an arithmetic number, because the mean of its divisors is an integer number (420288).

2^2171426 is an apocalyptic number.

2171426 is a deficient number, since it is larger than the sum of its proper divisors (1190878).

2171426 is a wasteful number, since it uses less digits than its factorization.

2171426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35056.

The product of its digits is 672, while the sum is 23.

The square root of 2171426 is about 1473.5759227132. The cubic root of 2171426 is about 129.4936118851.

The spelling of 2171426 in words is "two million, one hundred seventy-one thousand, four hundred twenty-six".