2779028 has 12 divisors (see below), whose sum is σ = 5558112. Its totient is φ = 1191000.

The previous prime is 2779013. The next prime is 2779031. The reversal of 2779028 is 8209772.

2779028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

2779028 is an admirable number.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49598 + ... + 49653.

It is an arithmetic number, because the mean of its divisors is an integer number (463176).

2^2779028 is an apocalyptic number.

2779028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2779028 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2779028 is a wasteful number, since it uses less digits than its factorization.

2779028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99262 (or 99260 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 2779028 is about 1667.0416911403. The cubic root of 2779028 is about 140.5931972856.

The spelling of 2779028 in words is "two million, seven hundred seventy-nine thousand, twenty-eight".