340630361 has 8 divisors (see below), whose sum is σ = 343552104. Its totient is φ = 337715200.

The previous prime is 340630357. The next prime is 340630363. The reversal of 340630361 is 163036043.

It can be written as a sum of positive squares in 4 ways, for example, as 100380361 + 240250000 = 10019^2 + 15500^2 .

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 340630361 - 2² = 340630357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 340630361.

It is not an unprimeable number, because it can be changed into a prime (340630363) 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, 211961 + ... + 213561.

It is an arithmetic number, because the mean of its divisors is an integer number (42944013).

Almost surely, 2^340630361 is an apocalyptic number.

It is an amenable number.

340630361 is a deficient number, since it is larger than the sum of its proper divisors (2921743).

340630361 is a wasteful number, since it uses less digits than its factorization.

340630361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3291.

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 340630361 is about 18456.1740618147. The cubic root of 340630361 is about 698.3842741640.

The spelling of 340630361 in words is "three hundred forty million, six hundred thirty thousand, three hundred sixty-one".