680514393 has 32 divisors (see below), whose sum is σ = 1036134400. Its totient is φ = 393823296.

The previous prime is 680514391. The next prime is 680514451. The reversal of 680514393 is 393415086.

It is not a de Polignac number, because 680514393 - 2¹ = 680514391 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (680514391) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99696 + ... + 106302.

It is an arithmetic number, because the mean of its divisors is an integer number (32379200).

Almost surely, 2^680514393 is an apocalyptic number.

It is an amenable number.

680514393 is a deficient number, since it is larger than the sum of its proper divisors (355620007).

680514393 is a wasteful number, since it uses less digits than its factorization.

680514393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6781.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 680514393 is about 26086.6707918048. The cubic root of 680514393 is about 879.5876136816.

The spelling of 680514393 in words is "six hundred eighty million, five hundred fourteen thousand, three hundred ninety-three".