863472941 has 4 divisors (see below), whose sum is σ = 893247900. Its totient is φ = 833697984.

The previous prime is 863472887. The next prime is 863472949. The reversal of 863472941 is 149274368.

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

It can be written as a sum of positive squares in 2 ways, for example, as 718776100 + 144696841 = 26810^2 + 12029^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-863472941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 863472892 and 863472901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (863472949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14887436 + ... + 14887493.

It is an arithmetic number, because the mean of its divisors is an integer number (223311975).

Almost surely, 2^863472941 is an apocalyptic number.

It is an amenable number.

863472941 is a deficient number, since it is larger than the sum of its proper divisors (29774959).

863472941 is a wasteful number, since it uses less digits than its factorization.

863472941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29774958.

The product of its digits is 290304, while the sum is 44.

The square root of 863472941 is about 29384.9100900445. The cubic root of 863472941 is about 952.2469218766.

The spelling of 863472941 in words is "eight hundred sixty-three million, four hundred seventy-two thousand, nine hundred forty-one".