4891950 has 72 divisors (see below), whose sum is σ = 15030288. Its totient is φ = 1117440.

The previous prime is 4891927. The next prime is 4891961. The reversal of 4891950 is 591984.

It is a congruent number.

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 35 ways as a sum of consecutive naturals, for example, 2374 + ... + 3926.

It is an arithmetic number, because the mean of its divisors is an integer number (208754).

Almost surely, 2^4891950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4891950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7515144).

4891950 is an abundant number, since it is smaller than the sum of its proper divisors (10138338).

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

4891950 is a wasteful number, since it uses less digits than its factorization.

4891950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578 (or 1570 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 4891950 is about 2211.7753050434. The cubic root of 4891950 is about 169.7568611876.

The spelling of 4891950 in words is "four million, eight hundred ninety-one thousand, nine hundred fifty".