4494000 has 160 divisors (see below), whose sum is σ = 16713216. Its totient is φ = 1017600.

The previous prime is 4493939. The next prime is 4494019. The reversal of 4494000 is 4944.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41947 + ... + 42053.

Almost surely, 2^4494000 is an apocalyptic number.

4494000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4494000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8356608).

4494000 is an abundant number, since it is smaller than the sum of its proper divisors (12219216).

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

4494000 is a wasteful number, since it uses less digits than its factorization.

4494000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 4494000 is about 2119.9056582782. The cubic root of 4494000 is about 165.0229536478.

Adding to 4494000 its reverse (4944), we get a palindrome (4498944).

The spelling of 4494000 in words is "four million, four hundred ninety-four thousand".