860720446 has 4 divisors (see below), whose sum is σ = 1291080672. Its totient is φ = 430360222.

The previous prime is 860720437. The next prime is 860720473. The reversal of 860720446 is 644027068.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215180110 + ... + 215180113.

It is an arithmetic number, because the mean of its divisors is an integer number (322770168).

Almost surely, 2^860720446 is an apocalyptic number.

860720446 is a deficient number, since it is larger than the sum of its proper divisors (430360226).

860720446 is a wasteful number, since it uses less digits than its factorization.

860720446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430360225.

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 860720446 is about 29338.0375280965. The cubic root of 860720446 is about 951.2340181491.

The spelling of 860720446 in words is "eight hundred sixty million, seven hundred twenty thousand, four hundred forty-six".