86402266 has 4 divisors (see below), whose sum is σ = 129603402. Its totient is φ = 43201132.

The previous prime is 86402263. The next prime is 86402273. The reversal of 86402266 is 66220468.

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., 47900241 + 38502025 = 6921^2 + 6205^2 .

It is not an unprimeable number, because it can be changed into a prime (86402263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21600565 + ... + 21600568.

Almost surely, 2^86402266 is an apocalyptic number.

86402266 is a deficient number, since it is larger than the sum of its proper divisors (43201136).

86402266 is a wasteful number, since it uses less digits than its factorization.

86402266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43201135.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 86402266 is about 9295.2819214911. The cubic root of 86402266 is about 442.0876446250.

It can be divided in two parts, 86402 and 266, that added together give a palindrome (86668).

The spelling of 86402266 in words is "eighty-six million, four hundred two thousand, two hundred sixty-six".