808832649 has 16 divisors (see below), whose sum is σ = 1116561600. Its totient is φ = 520193856.

The previous prime is 808832599. The next prime is 808832671. The reversal of 808832649 is 946238808.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-808832649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 808832598 and 808832607.

It is not an unprimeable number, because it can be changed into a prime (808832249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125887 + ... + 132155.

It is an arithmetic number, because the mean of its divisors is an integer number (69785100).

Almost surely, 2^808832649 is an apocalyptic number.

It is an amenable number.

808832649 is a deficient number, since it is larger than the sum of its proper divisors (307728951).

808832649 is a wasteful number, since it uses less digits than its factorization.

808832649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7784.

The product of its (nonzero) digits is 663552, while the sum is 48.

The square root of 808832649 is about 28439.9832805858. The cubic root of 808832649 is about 931.7217301985.

The spelling of 808832649 in words is "eight hundred eight million, eight hundred thirty-two thousand, six hundred forty-nine".