85430686 has 8 divisors (see below), whose sum is σ = 139795704. Its totient is φ = 38832120.

The previous prime is 85430677. The next prime is 85430689. The reversal of 85430686 is 68603458.

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

It is a super-2 number, since 2×85430686² = 14596804220861192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85430689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1941585 + ... + 1941628.

It is an arithmetic number, because the mean of its divisors is an integer number (17474463).

Almost surely, 2^85430686 is an apocalyptic number.

85430686 is a deficient number, since it is larger than the sum of its proper divisors (54365018).

85430686 is a wasteful number, since it uses less digits than its factorization.

85430686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3883226.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 85430686 is about 9242.8721726528. The cubic root of 85430686 is about 440.4243255075.

The spelling of 85430686 in words is "eighty-five million, four hundred thirty thousand, six hundred eighty-six".