235780369 has 4 divisors (see below), whose sum is σ = 257214960. Its totient is φ = 214345780.

The previous prime is 235780357. The next prime is 235780379. The reversal of 235780369 is 963087532.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 235780369 - 2⁷ = 235780241 is a prime.

It is a super-2 number, since 2×235780369² = 111184764811552322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (235780339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10717279 + ... + 10717300.

It is an arithmetic number, because the mean of its divisors is an integer number (64303740).

Almost surely, 2^235780369 is an apocalyptic number.

It is an amenable number.

235780369 is a deficient number, since it is larger than the sum of its proper divisors (21434591).

235780369 is a wasteful number, since it uses less digits than its factorization.

235780369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21434590.

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 235780369 is about 15355.1414516441. The cubic root of 235780369 is about 617.7828971422.

The spelling of 235780369 in words is "two hundred thirty-five million, seven hundred eighty thousand, three hundred sixty-nine".