2990128 has 10 divisors (see below), whose sum is σ = 5793404. Its totient is φ = 1495056.

The previous prime is 2990123. The next prime is 2990131. The reversal of 2990128 is 8210992.

It is a self number, because there is not a number n which added to its sum of digits gives 2990128.

It is not an unprimeable number, because it can be changed into a prime (2990123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 93426 + ... + 93457.

2^2990128 is an apocalyptic number.

It is an amenable number.

2990128 is a deficient number, since it is larger than the sum of its proper divisors (2803276).

2990128 is a wasteful number, since it uses less digits than its factorization.

2990128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186891 (or 186885 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 2990128 is about 1729.1986583386. The cubic root of 2990128 is about 144.0665844335.

It can be divided in two parts, 29901 and 28, that added together give a square (29929 = 173²).

The spelling of 2990128 in words is "two million, nine hundred ninety thousand, one hundred twenty-eight".