4998739 has 2 divisors, whose sum is σ = 4998740. Its totient is φ = 4998738.

The previous prime is 4998733. The next prime is 4998743. The reversal of 4998739 is 9378994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4998739 - 2⁷ = 4998611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4998692 and 4998701.

It is not a weakly prime, because it can be changed into another prime (4998733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2499369 + 2499370.

It is an arithmetic number, because the mean of its divisors is an integer number (2499370).

Almost surely, 2^4998739 is an apocalyptic number.

4998739 is a deficient number, since it is larger than the sum of its proper divisors (1).

4998739 is an equidigital number, since it uses as much as digits as its factorization.

4998739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 49.

The square root of 4998739 is about 2235.7859915475. The cubic root of 4998739 is about 170.9832182612.

The spelling of 4998739 in words is "four million, nine hundred ninety-eight thousand, seven hundred thirty-nine".