3077128 has 8 divisors (see below), whose sum is σ = 5769630. Its totient is φ = 1538560.

The previous prime is 3077111. The next prime is 3077143. The reversal of 3077128 is 8217703.

It is a happy number.

3077128 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2829124 + 248004 = 1682^2 + 498^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3077096 and 3077105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192313 + ... + 192328.

Almost surely, 2^3077128 is an apocalyptic number.

It is an amenable number.

3077128 is a deficient number, since it is larger than the sum of its proper divisors (2692502).

3077128 is a wasteful number, since it uses less digits than its factorization.

3077128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384647 (or 384643 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 3077128 is about 1754.1744497056. The cubic root of 3077128 is about 145.4504895649.

It can be divided in two parts, 307712 and 8, that added together give a triangular number (307720 = T₇₈₄).

The spelling of 3077128 in words is "three million, seventy-seven thousand, one hundred twenty-eight".