86540337 has 18 divisors (see below), whose sum is σ = 135360342. Its totient is φ = 53254656.

The previous prime is 86540317. The next prime is 86540347. The reversal of 86540337 is 73304568.

It is a happy number.

86540337 is a `hidden beast` number, since 86 + 540 + 3 + 37 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 9960336 + 76580001 = 3156^2 + 8751^2 .

It is not a de Polignac number, because 86540337 - 2¹⁵ = 86507569 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86540317) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 26928 + ... + 29969.

It is an arithmetic number, because the mean of its divisors is an integer number (7520019).

Almost surely, 2^86540337 is an apocalyptic number.

It is an amenable number.

86540337 is a deficient number, since it is larger than the sum of its proper divisors (48820005).

86540337 is a wasteful number, since it uses less digits than its factorization.

86540337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56929 (or 56913 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 86540337 is about 9302.7058966733. The cubic root of 86540337 is about 442.3230049579.

The spelling of 86540337 in words is "eighty-six million, five hundred forty thousand, three hundred thirty-seven".