4931999 has 2 divisors, whose sum is σ = 4932000. Its totient is φ = 4931998.

The previous prime is 4931957. The next prime is 4932017. The reversal of 4931999 is 9991394.

4931999 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4931999 - 2²⁰ = 3883423 is a prime.

It is a super-2 number, since 2×4931999² = 48649228272002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4931909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2465999 + 2466000.

It is an arithmetic number, because the mean of its divisors is an integer number (2466000).

Almost surely, 2^4931999 is an apocalyptic number.

4931999 is a deficient number, since it is larger than the sum of its proper divisors (1).

4931999 is an equidigital number, since it uses as much as digits as its factorization.

4931999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 78732, while the sum is 44.

The square root of 4931999 is about 2220.8104376556. The cubic root of 4931999 is about 170.2188530821.

The spelling of 4931999 in words is "four million, nine hundred thirty-one thousand, nine hundred ninety-nine".