680383446 has 16 divisors (see below), whose sum is σ = 1363724208. Its totient is φ = 226301600.

The previous prime is 680383439. The next prime is 680383489. The reversal of 680383446 is 644383086.

It is a junction number, because it is equal to n+sod(n) for n = 680383398 and 680383407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120225 + ... + 125756.

It is an arithmetic number, because the mean of its divisors is an integer number (85232763).

Almost surely, 2^680383446 is an apocalyptic number.

680383446 is an abundant number, since it is smaller than the sum of its proper divisors (683340762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

680383446 is a wasteful number, since it uses less digits than its factorization.

680383446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246447.

The product of its (nonzero) digits is 331776, while the sum is 42.

The square root of 680383446 is about 26084.1608260645. The cubic root of 680383446 is about 879.5311922702.

It can be divided in two parts, 680 and 383446, that added together give a triangular number (384126 = T₈₇₆).

The spelling of 680383446 in words is "six hundred eighty million, three hundred eighty-three thousand, four hundred forty-six".