2304428 has 12 divisors (see below), whose sum is σ = 4608912. Its totient is φ = 987600.

The previous prime is 2304403. The next prime is 2304443. The reversal of 2304428 is 8244032.

2304428 is an admirable number.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41123 + ... + 41178.

It is an arithmetic number, because the mean of its divisors is an integer number (384076).

2^2304428 is an apocalyptic number.

2304428 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2304428 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.

2304428 is a wasteful number, since it uses less digits than its factorization.

2304428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82312 (or 82310 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2304428 is about 1518.0342552130. The cubic root of 2304428 is about 132.0852678340.

It can be divided in two parts, 2 and 304428, that multiplied together give a triangular number (608856 = T₁₁₀₃).

The spelling of 2304428 in words is "two million, three hundred four thousand, four hundred twenty-eight".