340283681 has 4 divisors (see below), whose sum is σ = 345862164. Its totient is φ = 334705200.

The previous prime is 340283633. The next prime is 340283701. The reversal of 340283681 is 186382043.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4661281 + 335622400 = 2159^2 + 18320^2 .

It is a cyclic number.

It is not a de Polignac number, because 340283681 - 2¹⁴ = 340267297 is a prime.

It is a super-2 number, since 2×340283681² = 231585967109819522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340282681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2789150 + ... + 2789271.

It is an arithmetic number, because the mean of its divisors is an integer number (86465541).

Almost surely, 2^340283681 is an apocalyptic number.

It is an amenable number.

340283681 is a deficient number, since it is larger than the sum of its proper divisors (5578483).

340283681 is an equidigital number, since it uses as much as digits as its factorization.

340283681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5578482.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 340283681 is about 18446.7796918595. The cubic root of 340283681 is about 698.1472645166.

The spelling of 340283681 in words is "three hundred forty million, two hundred eighty-three thousand, six hundred eighty-one".