862313845 has 8 divisors (see below), whose sum is σ = 1060015320. Its totient is φ = 673025280.

The previous prime is 862313821. The next prime is 862313849. The reversal of 862313845 is 548313268.

It can be written as a sum of positive squares in 4 ways, for example, as 9790641 + 852523204 = 3129^2 + 29198^2 .

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

It is not a de Polignac number, because 862313845 - 2⁵ = 862313813 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 862313798 and 862313807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (862313849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2103000 + ... + 2103409.

It is an arithmetic number, because the mean of its divisors is an integer number (132501915).

Almost surely, 2^862313845 is an apocalyptic number.

It is an amenable number.

862313845 is a deficient number, since it is larger than the sum of its proper divisors (197701475).

862313845 is a wasteful number, since it uses less digits than its factorization.

862313845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4206455.

The product of its digits is 138240, while the sum is 40.

The square root of 862313845 is about 29365.1808269590. The cubic root of 862313845 is about 951.8206433793.

The spelling of 862313845 in words is "eight hundred sixty-two million, three hundred thirteen thousand, eight hundred forty-five".