4991048 has 8 divisors (see below), whose sum is σ = 9358230. Its totient is φ = 2495520.

The previous prime is 4991033. The next prime is 4991101. The reversal of 4991048 is 8401994.

It can be written as a sum of positive squares in only one way, i.e., 4656964 + 334084 = 2158^2 + 578^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 4990999 and 4991017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311933 + ... + 311948.

Almost surely, 2^4991048 is an apocalyptic number.

It is an amenable number.

4991048 is a deficient number, since it is larger than the sum of its proper divisors (4367182).

4991048 is a wasteful number, since it uses less digits than its factorization.

4991048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623887 (or 623883 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 4991048 is about 2234.0653526699. The cubic root of 4991048 is about 170.8954823383.

The spelling of 4991048 in words is "four million, nine hundred ninety-one thousand, forty-eight".