4090328 has 32 divisors (see below), whose sum is σ = 8534160. Its totient is φ = 1822080.

The previous prime is 4090309. The next prime is 4090349. The reversal of 4090328 is 8230904.

It is a junction number, because it is equal to n+sod(n) for n = 4090297 and 4090306.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 4226 + ... + 5102.

Almost surely, 2^4090328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4090328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4267080).

4090328 is an abundant number, since it is smaller than the sum of its proper divisors (4443832).

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

4090328 is a wasteful number, since it uses less digits than its factorization.

4090328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947 (or 943 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 4090328 is about 2022.4559327708. The cubic root of 4090328 is about 159.9261117168.

The spelling of 4090328 in words is "four million, ninety thousand, three hundred twenty-eight".