4945791 has 8 divisors (see below), whose sum is σ = 6614784. Its totient is φ = 3287000.

The previous prime is 4945783. The next prime is 4945807. The reversal of 4945791 is 1975494.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4945791 - 2³ = 4945783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4945711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1335 + ... + 3416.

It is an arithmetic number, because the mean of its divisors is an integer number (826848).

Almost surely, 2^4945791 is an apocalyptic number.

4945791 is a deficient number, since it is larger than the sum of its proper divisors (1668993).

4945791 is a wasteful number, since it uses less digits than its factorization.

4945791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5101.

The product of its digits is 45360, while the sum is 39.

The square root of 4945791 is about 2223.9134425602. The cubic root of 4945791 is about 170.3773738941.

The spelling of 4945791 in words is "four million, nine hundred forty-five thousand, seven hundred ninety-one".