336387749 has 2 divisors, whose sum is σ = 336387750. Its totient is φ = 336387748.

The previous prime is 336387731. The next prime is 336387763. The reversal of 336387749 is 947783633.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 212955649 + 123432100 = 14593^2 + 11110^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-336387749 is a prime.

It is a super-2 number, since 2×336387749² = 226313435354574002, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 336387697 and 336387706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (336387769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168193874 + 168193875.

It is an arithmetic number, because the mean of its divisors is an integer number (168193875).

Almost surely, 2^336387749 is an apocalyptic number.

It is an amenable number.

336387749 is a deficient number, since it is larger than the sum of its proper divisors (1).

336387749 is an equidigital number, since it uses as much as digits as its factorization.

336387749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2286144, while the sum is 50.

The square root of 336387749 is about 18340.8764512495. The cubic root of 336387749 is about 695.4726519371.

The spelling of 336387749 in words is "three hundred thirty-six million, three hundred eighty-seven thousand, seven hundred forty-nine".