4929891 has 8 divisors (see below), whose sum is σ = 6600384. Its totient is φ = 3273000.

The previous prime is 4929887. The next prime is 4929893. The reversal of 4929891 is 1989294.

4929891 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 4929891 - 2² = 4929887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4929893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2521 + ... + 4026.

It is an arithmetic number, because the mean of its divisors is an integer number (825048).

Almost surely, 2^4929891 is an apocalyptic number.

4929891 is a deficient number, since it is larger than the sum of its proper divisors (1670493).

4929891 is a wasteful number, since it uses less digits than its factorization.

4929891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6801.

The product of its digits is 46656, while the sum is 42.

The square root of 4929891 is about 2220.3357854163. The cubic root of 4929891 is about 170.1945983816.

The spelling of 4929891 in words is "four million, nine hundred twenty-nine thousand, eight hundred ninety-one".