85832649 has 16 divisors (see below), whose sum is σ = 145325440. Its totient is φ = 49047120.

The previous prime is 85832647. The next prime is 85832657. The reversal of 85832649 is 94623858.

85832649 is a `hidden beast` number, since 8 + 583 + 2 + 64 + 9 = 666.

It is not a de Polignac number, because 85832649 - 2¹ = 85832647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85832647) 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, 226882 + ... + 227259.

It is an arithmetic number, because the mean of its divisors is an integer number (9082840).

Almost surely, 2^85832649 is an apocalyptic number.

It is an amenable number.

85832649 is a deficient number, since it is larger than the sum of its proper divisors (59492791).

85832649 is a wasteful number, since it uses less digits than its factorization.

85832649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454157 (or 454151 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 85832649 is about 9264.5911404659. The cubic root of 85832649 is about 441.1139970926.

The spelling of 85832649 in words is "eighty-five million, eight hundred thirty-two thousand, six hundred forty-nine".