4991960 has 16 divisors (see below), whose sum is σ = 11232000. Its totient is φ = 1996768.

The previous prime is 4991953. The next prime is 4991963. The reversal of 4991960 is 691994.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4991963) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 62360 + ... + 62439.

It is an arithmetic number, because the mean of its divisors is an integer number (702000).

Almost surely, 2^4991960 is an apocalyptic number.

4991960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4991960 is an abundant number, since it is smaller than the sum of its proper divisors (6240040).

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

4991960 is a wasteful number, since it uses less digits than its factorization.

4991960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124810 (or 124806 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 4991960 is about 2234.2694555492. The cubic root of 4991960 is about 170.9058907861.

The spelling of 4991960 in words is "four million, nine hundred ninety-one thousand, nine hundred sixty".