85850390 has 8 divisors (see below), whose sum is σ = 154530720. Its totient is φ = 34340152.

The previous prime is 85850381. The next prime is 85850399. The reversal of 85850390 is 9305858.

It is an interprime number because it is at equal distance from previous prime (85850381) and next prime (85850399).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85850399) 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, 4292510 + ... + 4292529.

It is an arithmetic number, because the mean of its divisors is an integer number (19316340).

Almost surely, 2^85850390 is an apocalyptic number.

85850390 is a deficient number, since it is larger than the sum of its proper divisors (68680330).

85850390 is a wasteful number, since it uses less digits than its factorization.

85850390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8585046.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 85850390 is about 9265.5485536475. The cubic root of 85850390 is about 441.1443867108.

The spelling of 85850390 in words is "eighty-five million, eight hundred fifty thousand, three hundred ninety".