340593641 has 4 divisors (see below), whose sum is σ = 340685892. Its totient is φ = 340501392.

The previous prime is 340593599. The next prime is 340593647. The reversal of 340593641 is 146395043.

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 243984400 + 96609241 = 15620^2 + 9829^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340593641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340593647) 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, 40346 + ... + 48051.

It is an arithmetic number, because the mean of its divisors is an integer number (85171473).

Almost surely, 2^340593641 is an apocalyptic number.

It is an amenable number.

340593641 is a deficient number, since it is larger than the sum of its proper divisors (92251).

340593641 is an equidigital number, since it uses as much as digits as its factorization.

340593641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92250.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 340593641 is about 18455.1792459461. The cubic root of 340593641 is about 698.3591779550.

The spelling of 340593641 in words is "three hundred forty million, five hundred ninety-three thousand, six hundred forty-one".