85003389 has 12 divisors (see below), whose sum is σ = 125638656. Its totient is φ = 55350792.

The previous prime is 85003367. The next prime is 85003421. The reversal of 85003389 is 98330058.

It is not a de Polignac number, because 85003389 - 2⁹ = 85002877 is a prime.

It is a super-2 number, since 2×85003389² = 14451152282970642, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85003309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109437 + ... + 110210.

It is an arithmetic number, because the mean of its divisors is an integer number (10469888).

Almost surely, 2^85003389 is an apocalyptic number.

It is an amenable number.

85003389 is a deficient number, since it is larger than the sum of its proper divisors (40635267).

85003389 is a wasteful number, since it uses less digits than its factorization.

85003389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219696 (or 219693 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 85003389 is about 9219.7282497913. The cubic root of 85003389 is about 439.6888106110.

The spelling of 85003389 in words is "eighty-five million, three thousand, three hundred eighty-nine".