2008428 has 24 divisors (see below), whose sum is σ = 4838400. Its totient is φ = 647760.

The previous prime is 2008427. The next prime is 2008439. The reversal of 2008428 is 8248002.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2008398 and 2008407.

It is not an unprimeable number, because it can be changed into a prime (2008421) 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, 2328 + ... + 3071.

It is an arithmetic number, because the mean of its divisors is an integer number (201600).

2^2008428 is an apocalyptic number.

It is an amenable number.

2008428 is an abundant number, since it is smaller than the sum of its proper divisors (2829972).

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

2008428 is a wasteful number, since it uses less digits than its factorization.

2008428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5437 (or 5435 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 2008428 is about 1417.1901777814. The cubic root of 2008428 is about 126.1688338864.

The spelling of 2008428 in words is "two million, eight thousand, four hundred twenty-eight".