86359890 has 32 divisors (see below), whose sum is σ = 207567360. Its totient is φ = 22995584.

The previous prime is 86359853. The next prime is 86359909. The reversal of 86359890 is 9895368.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24031 + ... + 27389.

It is an arithmetic number, because the mean of its divisors is an integer number (6486480).

Almost surely, 2^86359890 is an apocalyptic number.

86359890 is an abundant number, since it is smaller than the sum of its proper divisors (121207470).

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

86359890 is a wasteful number, since it uses less digits than its factorization.

86359890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4226.

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 86359890 is about 9293.0022059612. The cubic root of 86359890 is about 442.0153588297.

It can be divided in two parts, 86 and 359890, that added together give a triangular number (359976 = T₈₄₈).

The spelling of 86359890 in words is "eighty-six million, three hundred fifty-nine thousand, eight hundred ninety".