4359990 has 64 divisors (see below), whose sum is σ = 11321856. Its totient is φ = 1070592.

The previous prime is 4359983. The next prime is 4359991. The reversal of 4359990 is 999534.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4359991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42279 + ... + 42381.

It is an arithmetic number, because the mean of its divisors is an integer number (176904).

Almost surely, 2^4359990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4359990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5660928).

4359990 is an abundant number, since it is smaller than the sum of its proper divisors (6961866).

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

4359990 is a wasteful number, since it uses less digits than its factorization.

4359990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213.

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 4359990 is about 2088.0589072150. The cubic root of 4359990 is about 163.3660585083.

The spelling of 4359990 in words is "four million, three hundred fifty-nine thousand, nine hundred ninety".