4948391 has 4 divisors (see below), whose sum is σ = 5655312. Its totient is φ = 4241472.

The previous prime is 4948387. The next prime is 4948393. The reversal of 4948391 is 1938494.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4948391 - 2² = 4948387 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4948393) 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, 353450 + ... + 353463.

It is an arithmetic number, because the mean of its divisors is an integer number (1413828).

Almost surely, 2^4948391 is an apocalyptic number.

4948391 is a deficient number, since it is larger than the sum of its proper divisors (706921).

4948391 is an equidigital number, since it uses as much as digits as its factorization.

4948391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706920.

The product of its digits is 31104, while the sum is 38.

The square root of 4948391 is about 2224.4979208801. The cubic root of 4948391 is about 170.4072244323.

The spelling of 4948391 in words is "four million, nine hundred forty-eight thousand, three hundred ninety-one".