4990650 has 96 divisors (see below), whose sum is σ = 14582400. Its totient is φ = 1128960.

The previous prime is 4990649. The next prime is 4990679. The reversal of 4990650 is 560994.

It is a happy number.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51402 + ... + 51498.

It is an arithmetic number, because the mean of its divisors is an integer number (151900).

Almost surely, 2^4990650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4990650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7291200).

4990650 is an abundant number, since it is smaller than the sum of its proper divisors (9591750).

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

4990650 is a wasteful number, since it uses less digits than its factorization.

4990650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 4990650 is about 2233.9762756126. The cubic root of 4990650 is about 170.8909396577.

The spelling of 4990650 in words is "four million, nine hundred ninety thousand, six hundred fifty".