340288269 has 8 divisors (see below), whose sum is σ = 480407040. Its totient is φ = 213514176.

The previous prime is 340288231. The next prime is 340288307. The reversal of 340288269 is 962882043.

It is an interprime number because it is at equal distance from previous prime (340288231) and next prime (340288307).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 340288269 - 2¹³ = 340280077 is a prime.

It is a super-2 number, since 2×340288269² = 231592212038032722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 340288269.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340288219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3336109 + ... + 3336210.

It is an arithmetic number, because the mean of its divisors is an integer number (60050880).

Almost surely, 2^340288269 is an apocalyptic number.

It is an amenable number.

340288269 is a deficient number, since it is larger than the sum of its proper divisors (140118771).

340288269 is a wasteful number, since it uses less digits than its factorization.

340288269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6672339.

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 340288269 is about 18446.9040491894. The cubic root of 340288269 is about 698.1504021783.

The spelling of 340288269 in words is "three hundred forty million, two hundred eighty-eight thousand, two hundred sixty-nine".