680398034 has 8 divisors (see below), whose sum is σ = 1045489788. Its totient is φ = 331901440.

The previous prime is 680398027. The next prime is 680398049. The reversal of 680398034 is 430893086.

It can be written as a sum of positive squares in 2 ways, for example, as 663217009 + 17181025 = 25753^2 + 4145^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a junction number, because it is equal to n+sod(n) for n = 680397982 and 680398000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4148687 + ... + 4148850.

Almost surely, 2^680398034 is an apocalyptic number.

680398034 is a deficient number, since it is larger than the sum of its proper divisors (365091754).

680398034 is a wasteful number, since it uses less digits than its factorization.

680398034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8297580.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 680398034 is about 26084.4404578668. The cubic root of 680398034 is about 879.5374781909.

The spelling of 680398034 in words is "six hundred eighty million, three hundred ninety-eight thousand, thirty-four".