2928090 has 64 divisors (see below), whose sum is σ = 8087040. Its totient is φ = 671040.

The previous prime is 2928089. The next prime is 2928113. The reversal of 2928090 is 908292.

It is a super-2 number, since 2×2928090² = 17147422096200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6037 + ... + 6503.

It is an arithmetic number, because the mean of its divisors is an integer number (126360).

2^2928090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2928090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4043520).

2928090 is an abundant number, since it is smaller than the sum of its proper divisors (5158950).

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

2928090 is a wasteful number, since it uses less digits than its factorization.

2928090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 2928090 is about 1711.1662689523. The cubic root of 2928090 is about 143.0632676829.

The spelling of 2928090 in words is "two million, nine hundred twenty-eight thousand, ninety".