827443432 has 16 divisors (see below), whose sum is σ = 1593388260. Its totient is φ = 402539904.

The previous prime is 827443429. The next prime is 827443447. The reversal of 827443432 is 234344728.

It can be written as a sum of positive squares in 2 ways, for example, as 826332516 + 1110916 = 28746^2 + 1054^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 827443391 and 827443400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1397413 + ... + 1398004.

Almost surely, 2^827443432 is an apocalyptic number.

It is an amenable number.

827443432 is a deficient number, since it is larger than the sum of its proper divisors (765944828).

827443432 is a wasteful number, since it uses less digits than its factorization.

827443432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2795460 (or 2795456 counting only the distinct ones).

The product of its digits is 129024, while the sum is 37.

The square root of 827443432 is about 28765.3164766182. The cubic root of 827443432 is about 938.8137412621.

The spelling of 827443432 in words is "eight hundred twenty-seven million, four hundred forty-three thousand, four hundred thirty-two".