4990871 has 8 divisors (see below), whose sum is σ = 5212080. Its totient is φ = 4772992.

The previous prime is 4990849. The next prime is 4990891. The reversal of 4990871 is 1780994.

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 4990871 - 2¹⁰ = 4989847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4990831) 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, 2516 + ... + 4038.

It is an arithmetic number, because the mean of its divisors is an integer number (651510).

Almost surely, 2^4990871 is an apocalyptic number.

4990871 is a deficient number, since it is larger than the sum of its proper divisors (221209).

4990871 is a wasteful number, since it uses less digits than its factorization.

4990871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665.

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

The square root of 4990871 is about 2234.0257384372. The cubic root of 4990871 is about 170.8934621308.

The spelling of 4990871 in words is "four million, nine hundred ninety thousand, eight hundred seventy-one".