340063217 has 8 divisors (see below), whose sum is σ = 369464424. Its totient is φ = 311125248.

The previous prime is 340063169. The next prime is 340063219. The reversal of 340063217 is 712360043.

It can be written as a sum of positive squares in 4 ways, for example, as 4477456 + 335585761 = 2116^2 + 18319^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 340063217 - 2⁶ = 340063153 is a prime.

It is a super-4 number, since 4×340063217⁴ (a number of 35 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340063219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114278 + ... + 117215.

It is an arithmetic number, because the mean of its divisors is an integer number (46183053).

Almost surely, 2^340063217 is an apocalyptic number.

It is an amenable number.

340063217 is a deficient number, since it is larger than the sum of its proper divisors (29401207).

340063217 is a wasteful number, since it uses less digits than its factorization.

340063217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231619.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 340063217 is about 18440.8030465053. The cubic root of 340063217 is about 697.9964593707.

The spelling of 340063217 in words is "three hundred forty million, sixty-three thousand, two hundred seventeen".