3072428 has 6 divisors (see below), whose sum is σ = 5376756. Its totient is φ = 1536212.

The previous prime is 3072413. The next prime is 3072431. The reversal of 3072428 is 8242703.

3072428 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3072397 and 3072406.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384050 + ... + 384057.

It is an arithmetic number, because the mean of its divisors is an integer number (896126).

Almost surely, 2^3072428 is an apocalyptic number.

It is an amenable number.

3072428 is a deficient number, since it is larger than the sum of its proper divisors (2304328).

3072428 is a wasteful number, since it uses less digits than its factorization.

3072428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768111 (or 768109 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 3072428 is about 1752.8342762509. The cubic root of 3072428 is about 145.3763982208.

The spelling of 3072428 in words is "three million, seventy-two thousand, four hundred twenty-eight".