4539450 has 48 divisors (see below), whose sum is σ = 11490336. Its totient is φ = 1185600.

The previous prime is 4539433. The next prime is 4539481. The reversal of 4539450 is 549354.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7665 + ... + 8235.

It is an arithmetic number, because the mean of its divisors is an integer number (239382).

Almost surely, 2^4539450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4539450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5745168).

4539450 is an abundant number, since it is smaller than the sum of its proper divisors (6950886).

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

4539450 is a wasteful number, since it uses less digits than its factorization.

4539450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639 (or 634 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 4539450 is about 2130.5985074622. The cubic root of 4539450 is about 165.5774077093.

The spelling of 4539450 in words is "four million, five hundred thirty-nine thousand, four hundred fifty".