2770628 has 24 divisors (see below), whose sum is σ = 5648832. Its totient is φ = 1164384.

The previous prime is 2770627. The next prime is 2770639. The reversal of 2770628 is 8260772.

It is a junction number, because it is equal to n+sod(n) for n = 2770594 and 2770603.

It is not an unprimeable number, because it can be changed into a prime (2770627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 551 + ... + 2417.

It is an arithmetic number, because the mean of its divisors is an integer number (235368).

2^2770628 is an apocalyptic number.

2770628 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2770628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2824416).

2770628 is an abundant number, since it is smaller than the sum of its proper divisors (2878204).

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

2770628 is a wasteful number, since it uses less digits than its factorization.

2770628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1931 (or 1929 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 2770628 is about 1664.5203513325. The cubic root of 2770628 is about 140.4514001352.

The spelling of 2770628 in words is "two million, seven hundred seventy thousand, six hundred twenty-eight".