387235369 has 2 divisors, whose sum is σ = 387235370. Its totient is φ = 387235368.

The previous prime is 387235363. The next prime is 387235391. The reversal of 387235369 is 963532783.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 309584025 + 77651344 = 17595^2 + 8812^2 .

It is a cyclic number.

It is not a de Polignac number, because 387235369 - 2⁷ = 387235241 is a prime.

It is a super-2 number, since 2×387235369² = 299902462009132322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (387235363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193617684 + 193617685.

It is an arithmetic number, because the mean of its divisors is an integer number (193617685).

Almost surely, 2^387235369 is an apocalyptic number.

It is an amenable number.

387235369 is a deficient number, since it is larger than the sum of its proper divisors (1).

387235369 is an equidigital number, since it uses as much as digits as its factorization.

387235369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480, while the sum is 46.

The square root of 387235369 is about 19678.2969029334. The cubic root of 387235369 is about 728.8838695215.

The spelling of 387235369 in words is "three hundred eighty-seven million, two hundred thirty-five thousand, three hundred sixty-nine".