85040369 has 8 divisors (see below), whose sum is σ = 87468480. Its totient is φ = 82632816.

The previous prime is 85040359. The next prime is 85040377. The reversal of 85040369 is 96304058.

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

It is a cyclic number.

It is not a de Polignac number, because 85040369 - 2¹⁶ = 84974833 is a prime.

It is a super-2 number, since 2×85040369² = 14463728719312322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85040359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3452 + ... + 13490.

It is an arithmetic number, because the mean of its divisors is an integer number (10933560).

Almost surely, 2^85040369 is an apocalyptic number.

It is an amenable number.

85040369 is a deficient number, since it is larger than the sum of its proper divisors (2428111).

85040369 is a wasteful number, since it uses less digits than its factorization.

85040369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10279.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 85040369 is about 9221.7335138248. The cubic root of 85040369 is about 439.7525623237.

The spelling of 85040369 in words is "eighty-five million, forty thousand, three hundred sixty-nine".