85729386 has 16 divisors (see below), whose sum is σ = 171549504. Its totient is φ = 28561344.

The previous prime is 85729373. The next prime is 85729393. The reversal of 85729386 is 68392758.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20706 + ... + 24498.

It is an arithmetic number, because the mean of its divisors is an integer number (10721844).

Almost surely, 2^85729386 is an apocalyptic number.

85729386 is an abundant number, since it is smaller than the sum of its proper divisors (85820118).

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

85729386 is a wasteful number, since it uses less digits than its factorization.

85729386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7565.

The product of its digits is 725760, while the sum is 48.

The square root of 85729386 is about 9259.0164704465. The cubic root of 85729386 is about 440.9370285598.

The spelling of 85729386 in words is "eighty-five million, seven hundred twenty-nine thousand, three hundred eighty-six".