2279628 has 36 divisors (see below), whose sum is σ = 6206928. Its totient is φ = 701280.

The previous prime is 2279617. The next prime is 2279633. The reversal of 2279628 is 8269722.

2279628 is a `hidden beast` number, since 2 + 27 + 9 + 628 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2279592 and 2279601.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1968 + ... + 2903.

2^2279628 is an apocalyptic number.

It is an amenable number.

2279628 is an abundant number, since it is smaller than the sum of its proper divisors (3927300).

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

2279628 is a wasteful number, since it uses less digits than its factorization.

2279628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4894 (or 4889 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 2279628 is about 1509.8437005200. The cubic root of 2279628 is about 131.6097288041.

The spelling of 2279628 in words is "two million, two hundred seventy-nine thousand, six hundred twenty-eight".