863506349 has 8 divisors (see below), whose sum is σ = 914057760. Its totient is φ = 814340016.

The previous prime is 863506339. The next prime is 863506367. The reversal of 863506349 is 943605368.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-863506349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (863506309) 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 7 ways as a sum of consecutive naturals, for example, 344987 + ... + 347480.

It is an arithmetic number, because the mean of its divisors is an integer number (114257220).

Almost surely, 2^863506349 is an apocalyptic number.

It is an amenable number.

863506349 is a deficient number, since it is larger than the sum of its proper divisors (50551411).

863506349 is a wasteful number, since it uses less digits than its factorization.

863506349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692539.

The product of its (nonzero) digits is 466560, while the sum is 44.

The square root of 863506349 is about 29385.4785395780. The cubic root of 863506349 is about 952.2592026146.

The spelling of 863506349 in words is "eight hundred sixty-three million, five hundred six thousand, three hundred forty-nine".