386007749 has 2 divisors, whose sum is σ = 386007750. Its totient is φ = 386007748.

The previous prime is 386007731. The next prime is 386007773. The reversal of 386007749 is 947700683.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197824225 + 188183524 = 14065^2 + 13718^2 .

It is a cyclic number.

It is not a de Polignac number, because 386007749 - 2¹⁶ = 385942213 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (386007779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193003874 + 193003875.

It is an arithmetic number, because the mean of its divisors is an integer number (193003875).

Almost surely, 2^386007749 is an apocalyptic number.

It is an amenable number.

386007749 is a deficient number, since it is larger than the sum of its proper divisors (1).

386007749 is an equidigital number, since it uses as much as digits as its factorization.

386007749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 386007749 is about 19647.0799102564. The cubic root of 386007749 is about 728.1128142250.

The spelling of 386007749 in words is "three hundred eighty-six million, seven thousand, seven hundred forty-nine".