864405303 has 4 divisors (see below), whose sum is σ = 1152540408. Its totient is φ = 576270200.

The previous prime is 864405301. The next prime is 864405317. The reversal of 864405303 is 303504468.

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

It is a cyclic number.

It is not a de Polignac number, because 864405303 - 2¹ = 864405301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864405301) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 144067548 + ... + 144067553.

It is an arithmetic number, because the mean of its divisors is an integer number (288135102).

Almost surely, 2^864405303 is an apocalyptic number.

864405303 is a deficient number, since it is larger than the sum of its proper divisors (288135105).

864405303 is a wasteful number, since it uses less digits than its factorization.

864405303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288135104.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 864405303 is about 29400.7704490886. The cubic root of 864405303 is about 952.5895380864.

The spelling of 864405303 in words is "eight hundred sixty-four million, four hundred five thousand, three hundred three".