86833649 has 4 divisors (see below), whose sum is σ = 99238464. Its totient is φ = 74428836.

The previous prime is 86833633. The next prime is 86833661. The reversal of 86833649 is 94633868.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86833649 - 2⁴ = 86833633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86833609) 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, 6202397 + ... + 6202410.

It is an arithmetic number, because the mean of its divisors is an integer number (24809616).

Almost surely, 2^86833649 is an apocalyptic number.

It is an amenable number.

86833649 is a deficient number, since it is larger than the sum of its proper divisors (12404815).

86833649 is a wasteful number, since it uses less digits than its factorization.

86833649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12404814.

The product of its digits is 746496, while the sum is 47.

The square root of 86833649 is about 9318.4574367220. The cubic root of 86833649 is about 442.8221646572.

The spelling of 86833649 in words is "eighty-six million, eight hundred thirty-three thousand, six hundred forty-nine".