86486434 has 4 divisors (see below), whose sum is σ = 129729654. Its totient is φ = 43243216.

The previous prime is 86486419. The next prime is 86486441. The reversal of 86486434 is 43468468.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 74563225 + 11923209 = 8635^2 + 3453^2 .

It is a super-3 number, since 3×86486434³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21621607 + ... + 21621610.

Almost surely, 2^86486434 is an apocalyptic number.

86486434 is a deficient number, since it is larger than the sum of its proper divisors (43243220).

86486434 is a wasteful number, since it uses less digits than its factorization.

86486434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43243219.

The product of its digits is 442368, while the sum is 43.

The square root of 86486434 is about 9299.8082775937. The cubic root of 86486434 is about 442.2311499544.

The spelling of 86486434 in words is "eighty-six million, four hundred eighty-six thousand, four hundred thirty-four".