2649782 has 8 divisors (see below), whose sum is σ = 3989856. Its totient is φ = 1319832.

The previous prime is 2649781. The next prime is 2649799. The reversal of 2649782 is 2879462.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2649781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1838 + ... + 2945.

It is an arithmetic number, because the mean of its divisors is an integer number (498732).

2^2649782 is an apocalyptic number.

2649782 is a deficient number, since it is larger than the sum of its proper divisors (1340074).

2649782 is a wasteful number, since it uses less digits than its factorization.

2649782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5062.

The product of its digits is 48384, while the sum is 38.

The square root of 2649782 is about 1627.8151000651. The cubic root of 2649782 is about 138.3789556139.

The spelling of 2649782 in words is "two million, six hundred forty-nine thousand, seven hundred eighty-two".