340728603 has 16 divisors (see below), whose sum is σ = 492218496. Its totient is φ = 208817280.

The previous prime is 340728551. The next prime is 340728611. The reversal of 340728603 is 306827043.

It is not a de Polignac number, because 340728603 - 2¹⁰ = 340727579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (340728623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75493 + ... + 79878.

It is an arithmetic number, because the mean of its divisors is an integer number (30763656).

Almost surely, 2^340728603 is an apocalyptic number.

340728603 is a deficient number, since it is larger than the sum of its proper divisors (151489893).

340728603 is a wasteful number, since it uses less digits than its factorization.

340728603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155434.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 340728603 is about 18458.8353641285. The cubic root of 340728603 is about 698.4514085915.

The spelling of 340728603 in words is "three hundred forty million, seven hundred twenty-eight thousand, six hundred three".