386250769 has 2 divisors, whose sum is σ = 386250770. Its totient is φ = 386250768.

The previous prime is 386250701. The next prime is 386250817. The reversal of 386250769 is 967052683.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 367872400 + 18378369 = 19180^2 + 4287^2 .

It is a cyclic number.

It is not a de Polignac number, because 386250769 - 2⁹ = 386250257 is a prime.

It is a super-2 number, since 2×386250769² = 298379313106182722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (386250169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193125384 + 193125385.

It is an arithmetic number, because the mean of its divisors is an integer number (193125385).

Almost surely, 2^386250769 is an apocalyptic number.

It is an amenable number.

386250769 is a deficient number, since it is larger than the sum of its proper divisors (1).

386250769 is an equidigital number, since it uses as much as digits as its factorization.

386250769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 386250769 is about 19653.2635712240. The cubic root of 386250769 is about 728.2655821907.

The spelling of 386250769 in words is "three hundred eighty-six million, two hundred fifty thousand, seven hundred sixty-nine".