4989931 has 8 divisors (see below), whose sum is σ = 5163440. Its totient is φ = 4818528.

The previous prime is 4989917. The next prime is 4989937. The reversal of 4989931 is 1399894.

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 4989931 - 2¹⁷ = 4858859 is a prime.

It is a super-2 number, since 2×4989931² = 49798822769522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4989937) 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, 5380 + ... + 6238.

It is an arithmetic number, because the mean of its divisors is an integer number (645430).

Almost surely, 2^4989931 is an apocalyptic number.

4989931 is a deficient number, since it is larger than the sum of its proper divisors (173509).

4989931 is a wasteful number, since it uses less digits than its factorization.

4989931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053.

The product of its digits is 69984, while the sum is 43.

The square root of 4989931 is about 2233.8153459944. The cubic root of 4989931 is about 170.8827325446.

The spelling of 4989931 in words is "four million, nine hundred eighty-nine thousand, nine hundred thirty-one".