339726749 has 2 divisors, whose sum is σ = 339726750. Its totient is φ = 339726748.

The previous prime is 339726733. The next prime is 339726791. The reversal of 339726749 is 947627933.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 231192025 + 108534724 = 15205^2 + 10418^2 .

It is a cyclic number.

It is not a de Polignac number, because 339726749 - 2⁴ = 339726733 is a prime.

It is a super-2 number, since 2×339726749² = 230828527972218002, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 339726697 and 339726706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (339722749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169863374 + 169863375.

It is an arithmetic number, because the mean of its divisors is an integer number (169863375).

Almost surely, 2^339726749 is an apocalyptic number.

It is an amenable number.

339726749 is a deficient number, since it is larger than the sum of its proper divisors (1).

339726749 is an equidigital number, since it uses as much as digits as its factorization.

339726749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1714608, while the sum is 50.

The square root of 339726749 is about 18431.6778671938. The cubic root of 339726749 is about 697.7661777050.

The spelling of 339726749 in words is "three hundred thirty-nine million, seven hundred twenty-six thousand, seven hundred forty-nine".