4506390 has 96 divisors (see below), whose sum is σ = 14017536. Its totient is φ = 982080.

The previous prime is 4506389. The next prime is 4506419. The reversal of 4506390 is 936054.

It is a happy number.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14335 + ... + 14645.

It is an arithmetic number, because the mean of its divisors is an integer number (146016).

Almost surely, 2^4506390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4506390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7008768).

4506390 is an abundant number, since it is smaller than the sum of its proper divisors (9511146).

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

4506390 is a wasteful number, since it uses less digits than its factorization.

4506390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354 (or 351 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 4506390 is about 2122.8259467041. The cubic root of 4506390 is about 165.1744710965.

The spelling of 4506390 in words is "four million, five hundred six thousand, three hundred ninety".