86105449 has 4 divisors (see below), whose sum is σ = 86160964. Its totient is φ = 86049936.

The previous prime is 86105423. The next prime is 86105477. The reversal of 86105449 is 94450168.

It is a happy number.

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 11594025 + 74511424 = 3405^2 + 8632^2 .

It is a cyclic number.

It is not a de Polignac number, because 86105449 - 2⁵ = 86105417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86105419) 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, 25362 + ... + 28555.

It is an arithmetic number, because the mean of its divisors is an integer number (21540241).

Almost surely, 2^86105449 is an apocalyptic number.

It is an amenable number.

86105449 is a deficient number, since it is larger than the sum of its proper divisors (55515).

86105449 is a wasteful number, since it uses less digits than its factorization.

86105449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55514.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 86105449 is about 9279.3021828153. The cubic root of 86105449 is about 441.5808304692.

The spelling of 86105449 in words is "eighty-six million, one hundred five thousand, four hundred forty-nine".