340700609 has 6 divisors (see below), whose sum is σ = 359576370. Its totient is φ = 322768656.

The previous prime is 340700579. The next prime is 340700627. The reversal of 340700609 is 906007043.

It can be written as a sum of positive squares in only one way, i.e., 336172225 + 4528384 = 18335^2 + 2128^2 .

It is not a de Polignac number, because 340700609 - 2¹² = 340696513 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (340700639) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 471524 + ... + 472245.

It is an arithmetic number, because the mean of its divisors is an integer number (59929395).

Almost surely, 2^340700609 is an apocalyptic number.

It is an amenable number.

340700609 is a deficient number, since it is larger than the sum of its proper divisors (18875761).

340700609 is an equidigital number, since it uses as much as digits as its factorization.

340700609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943807 (or 943788 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 340700609 is about 18458.0770666936. The cubic root of 340700609 is about 698.4322799907.

The spelling of 340700609 in words is "three hundred forty million, seven hundred thousand, six hundred nine".