2997128 has 8 divisors (see below), whose sum is σ = 5619630. Its totient is φ = 1498560.

The previous prime is 2997109. The next prime is 2997131. The reversal of 2997128 is 8217992.

It can be written as a sum of positive squares in only one way, i.e., 2079364 + 917764 = 1442^2 + 958^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2997091 and 2997100.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187313 + ... + 187328.

2^2997128 is an apocalyptic number.

It is an amenable number.

2997128 is a deficient number, since it is larger than the sum of its proper divisors (2622502).

2997128 is a wasteful number, since it uses less digits than its factorization.

2997128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374647 (or 374643 counting only the distinct ones).

The product of its digits is 18144, while the sum is 38.

The square root of 2997128 is about 1731.2215340620. The cubic root of 2997128 is about 144.1789185499.

It can be divided in two parts, 2997 and 128, that added together give a 5-th power (3125 = 5⁵).

The spelling of 2997128 in words is "two million, nine hundred ninety-seven thousand, one hundred twenty-eight".