2171098 has 8 divisors (see below), whose sum is σ = 3263508. Its totient is φ = 1083264.

The previous prime is 2171089. The next prime is 2171101. The reversal of 2171098 is 8901712.

It can be written as a sum of positive squares in 2 ways, for example, as 2169729 + 1369 = 1473^2 + 37^2 .

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

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, 540 + ... + 2152.

2^2171098 is an apocalyptic number.

2171098 is a deficient number, since it is larger than the sum of its proper divisors (1092410).

2171098 is a wasteful number, since it uses less digits than its factorization.

2171098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2288.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 2171098 is about 1473.4646246178. The cubic root of 2171098 is about 129.4870914321.

The spelling of 2171098 in words is "two million, one hundred seventy-one thousand, ninety-eight".