85190469 has 24 divisors (see below), whose sum is σ = 142299360. Its totient is φ = 44934624.

The previous prime is 85190467. The next prime is 85190491. The reversal of 85190469 is 96409158.

It is not a de Polignac number, because 85190469 - 2¹ = 85190467 is a prime.

It is a super-2 number, since 2×85190469² = 14514832016879922, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 85190469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85190467) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20379 + ... + 24200.

It is an arithmetic number, because the mean of its divisors is an integer number (5929140).

Almost surely, 2^85190469 is an apocalyptic number.

It is an amenable number.

85190469 is a deficient number, since it is larger than the sum of its proper divisors (57108891).

85190469 is a wasteful number, since it uses less digits than its factorization.

85190469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44609 (or 44602 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 85190469 is about 9229.8683089197. The cubic root of 85190469 is about 440.0111378035.

The spelling of 85190469 in words is "eighty-five million, one hundred ninety thousand, four hundred sixty-nine".