340636603 has 4 divisors (see below), whose sum is σ = 340673608. Its totient is φ = 340599600.

The previous prime is 340636591. The next prime is 340636607. The reversal of 340636603 is 306636043.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 340636603 - 2¹⁷ = 340505531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340636607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7303 + ... + 27103.

It is an arithmetic number, because the mean of its divisors is an integer number (85168402).

Almost surely, 2^340636603 is an apocalyptic number.

340636603 is a deficient number, since it is larger than the sum of its proper divisors (37005).

340636603 is a wasteful number, since it uses less digits than its factorization.

340636603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37004.

The product of its (nonzero) digits is 23328, while the sum is 31.

The square root of 340636603 is about 18456.3431643433. The cubic root of 340636603 is about 698.3885400667.

The spelling of 340636603 in words is "three hundred forty million, six hundred thirty-six thousand, six hundred three".