340655465 has 16 divisors (see below), whose sum is σ = 430953600. Its totient is φ = 257789952.

The previous prime is 340655453. The next prime is 340655467. The reversal of 340655465 is 564556043.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 340655465 - 2¹⁰ = 340654441 is a prime.

It is a super-2 number, since 2×340655465² = 232092291668732450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (340655467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70724 + ... + 75386.

It is an arithmetic number, because the mean of its divisors is an integer number (26934600).

Almost surely, 2^340655465 is an apocalyptic number.

It is an amenable number.

340655465 is a deficient number, since it is larger than the sum of its proper divisors (90298135).

340655465 is a wasteful number, since it uses less digits than its factorization.

340655465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5456.

The product of its (nonzero) digits is 216000, while the sum is 38.

The square root of 340655465 is about 18456.8541469016. The cubic root of 340655465 is about 698.4014304034.

The spelling of 340655465 in words is "three hundred forty million, six hundred fifty-five thousand, four hundred sixty-five".