2779006 has 8 divisors (see below), whose sum is σ = 4218984. Its totient is φ = 1372680.

The previous prime is 2779001. The next prime is 2779013. The reversal of 2779006 is 6009772.

It is a happy number.

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 (2779001) 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, 8205 + ... + 8536.

It is an arithmetic number, because the mean of its divisors is an integer number (527373).

2^2779006 is an apocalyptic number.

2779006 is a deficient number, since it is larger than the sum of its proper divisors (1439978).

2779006 is a wasteful number, since it uses less digits than its factorization.

2779006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16826.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 2779006 is about 1667.0350926120. The cubic root of 2779006 is about 140.5928262856.

The spelling of 2779006 in words is "two million, seven hundred seventy-nine thousand, six".