3040428 has 12 divisors (see below), whose sum is σ = 7094360. Its totient is φ = 1013472.

The previous prime is 3040409. The next prime is 3040469. The reversal of 3040428 is 8240403.

It is a happy number.

3040428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126673 + ... + 126696.

Almost surely, 2^3040428 is an apocalyptic number.

It is an amenable number.

3040428 is an abundant number, since it is smaller than the sum of its proper divisors (4053932).

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

3040428 is a wasteful number, since it uses less digits than its factorization.

3040428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253376 (or 253374 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 3040428 is about 1743.6823105142. The cubic root of 3040428 is about 144.8699269510.

The spelling of 3040428 in words is "three million, forty thousand, four hundred twenty-eight".