4907891 has 8 divisors (see below), whose sum is σ = 5051904. Its totient is φ = 4765320.

The previous prime is 4907869. The next prime is 4907897. The reversal of 4907891 is 1987094.

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 4907891 - 2¹⁴ = 4891507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4907897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13190 + ... + 13556.

It is an arithmetic number, because the mean of its divisors is an integer number (631488).

Almost surely, 2^4907891 is an apocalyptic number.

4907891 is a deficient number, since it is larger than the sum of its proper divisors (144013).

4907891 is a wasteful number, since it uses less digits than its factorization.

4907891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 4907891 is about 2215.3760403146. The cubic root of 4907891 is about 169.9410522265.

The spelling of 4907891 in words is "four million, nine hundred seven thousand, eight hundred ninety-one".