340882369 has 9 divisors (see below), whose sum is σ = 351047907. Its totient is φ = 331004664.

The previous prime is 340882331. The next prime is 340882387. The reversal of 340882369 is 963288043.

The square root of 340882369 is 18463.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 305026225 + 35856144 = 17465^2 + 5988^2 .

It is not a de Polignac number, because 340882369 - 2⁹ = 340881857 is a prime.

It is a super-2 number, since 2×340882369² = 232401578990104322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340882309) 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 8 ways as a sum of consecutive naturals, for example, 682882 + ... + 683380.

It is an arithmetic number, because the mean of its divisors is an integer number (39005323).

Almost surely, 2^340882369 is an apocalyptic number.

340882369 is the 18463-rd square number.

340882369 is the 9232-nd centered octagonal number.

It is an amenable number.

340882369 is a deficient number, since it is larger than the sum of its proper divisors (10165538).

340882369 is an frugal number, since it uses more digits than its factorization.

340882369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072 (or 536 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

The cubic root of 340882369 is about 698.5564598715.

The spelling of 340882369 in words is "three hundred forty million, eight hundred eighty-two thousand, three hundred sixty-nine".