86264220 has 48 divisors (see below), whose sum is σ = 276046848. Its totient is φ = 19717440.

The previous prime is 86264207. The next prime is 86264267. The reversal of 86264220 is 2246268.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102276 + ... + 103115.

It is an arithmetic number, because the mean of its divisors is an integer number (5750976).

Almost surely, 2^86264220 is an apocalyptic number.

It is an amenable number.

86264220 is an abundant number, since it is smaller than the sum of its proper divisors (189782628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86264220 is a wasteful number, since it uses less digits than its factorization.

86264220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205410 (or 205408 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 86264220 is about 9287.8533580155. The cubic root of 86264220 is about 441.8520761048.

The spelling of 86264220 in words is "eighty-six million, two hundred sixty-four thousand, two hundred twenty".