4200450 has 48 divisors (see below), whose sum is σ = 10686816. Its totient is φ = 1091200.

The previous prime is 4200439. The next prime is 4200451. The reversal of 4200450 is 540024.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4200451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5809 + ... + 6491.

It is an arithmetic number, because the mean of its divisors is an integer number (222642).

Almost surely, 2^4200450 is an apocalyptic number.

It is a pronic number, being equal to 2049×2050.

It is a practical number, because each smaller number is the sum of distinct divisors of 4200450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5343408).

4200450 is an abundant number, since it is smaller than the sum of its proper divisors (6486366).

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

4200450 is a wasteful number, since it uses less digits than its factorization.

4200450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739 (or 734 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 4200450 is about 2049.4999390095. The cubic root of 4200450 is about 161.3486266418.

Adding to 4200450 its reverse (540024), we get a palindrome (4740474).

The spelling of 4200450 in words is "four million, two hundred thousand, four hundred fifty".