4890000 has 100 divisors (see below), whose sum is σ = 15882416. Its totient is φ = 1296000.

The previous prime is 4889993. The next prime is 4890001. The reversal of 4890000 is 984.

It is a tau number, because it is divible by the number of its divisors (100).

It is an Ulam number.

It is a zygodrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (4890001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 29919 + ... + 30081.

Almost surely, 2^4890000 is an apocalyptic number.

4890000 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 4890000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7941208).

4890000 is an abundant number, since it is smaller than the sum of its proper divisors (10992416).

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

4890000 is a wasteful number, since it uses less digits than its factorization.

4890000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 4890000 is about 2211.3344387496. The cubic root of 4890000 is about 169.7343023666.

Adding to 4890000 its reverse (984), we get a palindrome (4890984).

The spelling of 4890000 in words is "four million, eight hundred ninety thousand".