4639950 has 96 divisors (see below), whose sum is σ = 14641920. Its totient is φ = 1058400.

The previous prime is 4639939. The next prime is 4639967. The reversal of 4639950 is 599364.

It is an Ulam number.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9205 + ... + 9695.

It is an arithmetic number, because the mean of its divisors is an integer number (152520).

Almost surely, 2^4639950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4639950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7320960).

4639950 is an abundant number, since it is smaller than the sum of its proper divisors (10001970).

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

4639950 is a wasteful number, since it uses less digits than its factorization.

4639950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519 (or 508 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 4639950 is about 2154.0543168639. The cubic root of 4639950 is about 166.7904192002.

The spelling of 4639950 in words is "four million, six hundred thirty-nine thousand, nine hundred fifty".