2106602 has 4 divisors (see below), whose sum is σ = 3159906. Its totient is φ = 1053300.

The previous prime is 2106563. The next prime is 2106617. The reversal of 2106602 is 2066012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1104601 + 1002001 = 1051^2 + 1001^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526649 + ... + 526652.

2^2106602 is an apocalyptic number.

2106602 is a deficient number, since it is larger than the sum of its proper divisors (1053304).

2106602 is a wasteful number, since it uses less digits than its factorization.

2106602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053303.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2106602 is about 1451.4137935131. The cubic root of 2106602 is about 128.1919726802.

The spelling of 2106602 in words is "two million, one hundred six thousand, six hundred two".