2308428 has 18 divisors (see below), whose sum is σ = 5835284. Its totient is φ = 769464.

The previous prime is 2308417. The next prime is 2308451. The reversal of 2308428 is 8248032.

2308428 is a `hidden beast` number, since 230 + 8 + 428 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32026 + ... + 32097.

2^2308428 is an apocalyptic number.

It is an amenable number.

2308428 is an abundant number, since it is smaller than the sum of its proper divisors (3526856).

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

2308428 is a wasteful number, since it uses less digits than its factorization.

2308428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64133 (or 64128 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 2308428 is about 1519.3511773122. The cubic root of 2308428 is about 132.1616476948.

The spelling of 2308428 in words is "two million, three hundred eight thousand, four hundred twenty-eight".