2600842 has 4 divisors (see below), whose sum is σ = 3901266. Its totient is φ = 1300420.

The previous prime is 2600837. The next prime is 2600867. The reversal of 2600842 is 2480062.

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., 2277081 + 323761 = 1509^2 + 569^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650209 + ... + 650212.

2^2600842 is an apocalyptic number.

2600842 is a deficient number, since it is larger than the sum of its proper divisors (1300424).

2600842 is a wasteful number, since it uses less digits than its factorization.

2600842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300423.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 2600842 is about 1612.7126216409. The cubic root of 2600842 is about 137.5217287975.

The spelling of 2600842 in words is "two million, six hundred thousand, eight hundred forty-two".