4989971 has 8 divisors (see below), whose sum is σ = 5762400. Its totient is φ = 4232448.

The previous prime is 4989953. The next prime is 4989973. The reversal of 4989971 is 1799894.

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 4989971 - 2¹⁰ = 4988947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4989973) 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, 2996 + ... + 4353.

It is an arithmetic number, because the mean of its divisors is an integer number (720300).

Almost surely, 2^4989971 is an apocalyptic number.

4989971 is a deficient number, since it is larger than the sum of its proper divisors (772429).

4989971 is an equidigital number, since it uses as much as digits as its factorization.

4989971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7453.

The product of its digits is 163296, while the sum is 47.

The square root of 4989971 is about 2233.8242992680. The cubic root of 4989971 is about 170.8831891502.

The spelling of 4989971 in words is "four million, nine hundred eighty-nine thousand, nine hundred seventy-one".