2649842 has 8 divisors (see below), whose sum is σ = 4280556. Its totient is φ = 1222992.

The previous prime is 2649821. The next prime is 2649851. The reversal of 2649842 is 2489462.

It can be written as a sum of positive squares in 2 ways, for example, as 2627641 + 22201 = 1621^2 + 149^2 .

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, 50933 + ... + 50984.

2^2649842 is an apocalyptic number.

2649842 is a deficient number, since it is larger than the sum of its proper divisors (1630714).

2649842 is a wasteful number, since it uses less digits than its factorization.

2649842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101932.

The product of its digits is 27648, while the sum is 35.

The square root of 2649842 is about 1627.8335295724. The cubic root of 2649842 is about 138.3800000614.

The spelling of 2649842 in words is "two million, six hundred forty-nine thousand, eight hundred forty-two".