86204290 has 8 divisors (see below), whose sum is σ = 155167740. Its totient is φ = 34481712.

The previous prime is 86204281. The next prime is 86204303. The reversal of 86204290 is 9240268.

It can be written as a sum of positive squares in 2 ways, for example, as 79334649 + 6869641 = 8907^2 + 2621^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×86204290² = 14862359228808200, which contains 22 as substring.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 4310205 + ... + 4310224.

Almost surely, 2^86204290 is an apocalyptic number.

86204290 is a deficient number, since it is larger than the sum of its proper divisors (68963450).

86204290 is a wasteful number, since it uses less digits than its factorization.

86204290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8620436.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 86204290 is about 9284.6265406854. The cubic root of 86204290 is about 441.7497303526.

The spelling of 86204290 in words is "eighty-six million, two hundred four thousand, two hundred ninety".