2770990 has 8 divisors (see below), whose sum is σ = 4987800. Its totient is φ = 1108392.

The previous prime is 2770987. The next prime is 2770991. The reversal of 2770990 is 990772.

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 (2770991) 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, 138540 + ... + 138559.

It is an arithmetic number, because the mean of its divisors is an integer number (623475).

2^2770990 is an apocalyptic number.

2770990 is a deficient number, since it is larger than the sum of its proper divisors (2216810).

2770990 is a wasteful number, since it uses less digits than its factorization.

2770990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277106.

The product of its (nonzero) digits is 7938, while the sum is 34.

The square root of 2770990 is about 1664.6290878151. The cubic root of 2770990 is about 140.4575168221.

It can be divided in two parts, 27 and 70990, that added together give a palindrome (71017).

The spelling of 2770990 in words is "two million, seven hundred seventy thousand, nine hundred ninety".