2789782 has 4 divisors (see below), whose sum is σ = 4184676. Its totient is φ = 1394890.

The previous prime is 2789777. The next prime is 2789791. The reversal of 2789782 is 2879872.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 697444 + ... + 697447.

It is an arithmetic number, because the mean of its divisors is an integer number (1046169).

2^2789782 is an apocalyptic number.

2789782 is a deficient number, since it is larger than the sum of its proper divisors (1394894).

2789782 is a wasteful number, since it uses less digits than its factorization.

2789782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394893.

The product of its digits is 112896, while the sum is 43.

The square root of 2789782 is about 1670.2640509812. The cubic root of 2789782 is about 140.7743149493.

The spelling of 2789782 in words is "two million, seven hundred eighty-nine thousand, seven hundred eighty-two".