2928390 has 16 divisors (see below), whose sum is σ = 7028208. Its totient is φ = 780896.

The previous prime is 2928377. The next prime is 2928397. The reversal of 2928390 is 938292.

2928390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2928397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48777 + ... + 48836.

It is an arithmetic number, because the mean of its divisors is an integer number (439263).

2^2928390 is an apocalyptic number.

2928390 is an abundant number, since it is smaller than the sum of its proper divisors (4099818).

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

2928390 is a wasteful number, since it uses less digits than its factorization.

2928390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97623.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 2928390 is about 1711.2539262190. The cubic root of 2928390 is about 143.0681534065.

The spelling of 2928390 in words is "two million, nine hundred twenty-eight thousand, three hundred ninety".