3021064428 has 12 divisors (see below), whose sum is σ = 7049150360. Its totient is φ = 1007021472.

The previous prime is 3021064427. The next prime is 3021064447. The reversal of 3021064428 is 8244601203.

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

It is a junction number, because it is equal to n+sod(n) for n = 3021064395 and 3021064404.

It is not an unprimeable number, because it can be changed into a prime (3021064427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125877673 + ... + 125877696.

Almost surely, 2^3021064428 is an apocalyptic number.

It is an amenable number.

3021064428 is an abundant number, since it is smaller than the sum of its proper divisors (4028085932).

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

3021064428 is a wasteful number, since it uses less digits than its factorization.

3021064428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251755376 (or 251755374 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 3021064428 is about 54964.2104282414. The cubic root of 3021064428 is about 1445.6172740607.

The spelling of 3021064428 in words is "three billion, twenty-one million, sixty-four thousand, four hundred twenty-eight".