681076446 has 32 divisors (see below), whose sum is σ = 1383671808. Its totient is φ = 223450080.

The previous prime is 681076439. The next prime is 681076463. The reversal of 681076446 is 644670186.

681076446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 681076398 and 681076407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 372691 + ... + 374513.

It is an arithmetic number, because the mean of its divisors is an integer number (43239744).

Almost surely, 2^681076446 is an apocalyptic number.

681076446 is an abundant number, since it is smaller than the sum of its proper divisors (702595362).

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

681076446 is a wasteful number, since it uses less digits than its factorization.

681076446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2776.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 681076446 is about 26097.4413688392. The cubic root of 681076446 is about 879.8297044781.

The spelling of 681076446 in words is "six hundred eighty-one million, seventy-six thousand, four hundred forty-six".