4991548 has 12 divisors (see below), whose sum is σ = 8767080. Its totient is φ = 2486672.

The previous prime is 4991543. The next prime is 4991551. The reversal of 4991548 is 8451994.

It is a self number, because there is not a number n which added to its sum of digits gives 4991548.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4991543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 958 + ... + 3301.

It is an arithmetic number, because the mean of its divisors is an integer number (730590).

Almost surely, 2^4991548 is an apocalyptic number.

It is an amenable number.

4991548 is a deficient number, since it is larger than the sum of its proper divisors (3775532).

4991548 is a wasteful number, since it uses less digits than its factorization.

4991548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4556 (or 4554 counting only the distinct ones).

The product of its digits is 51840, while the sum is 40.

The square root of 4991548 is about 2234.1772534873. The cubic root of 4991548 is about 170.9011888811.

The spelling of 4991548 in words is "four million, nine hundred ninety-one thousand, five hundred forty-eight".