86843349 has 6 divisors (see below), whose sum is σ = 125440406. Its totient is φ = 57895560.

The previous prime is 86843347. The next prime is 86843363. The reversal of 86843349 is 94334868.

It can be written as a sum of positive squares in only one way, i.e., 86825124 + 18225 = 9318^2 + 135^2 .

It is not a de Polignac number, because 86843349 - 2¹ = 86843347 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86843347) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4824622 + ... + 4824639.

Almost surely, 2^86843349 is an apocalyptic number.

It is an amenable number.

86843349 is a deficient number, since it is larger than the sum of its proper divisors (38597057).

86843349 is a wasteful number, since it uses less digits than its factorization.

86843349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9649267 (or 9649264 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 86843349 is about 9318.9778945977. The cubic root of 86843349 is about 442.8386529469.

The spelling of 86843349 in words is "eighty-six million, eight hundred forty-three thousand, three hundred forty-nine".