85404369 has 8 divisors (see below), whose sum is σ = 114041952. Its totient is φ = 56851520.

The previous prime is 85404367. The next prime is 85404419. The reversal of 85404369 is 96340458.

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 85404369 - 2¹ = 85404367 is a prime.

It is a super-2 number, since 2×85404369² = 14587812488576322, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85404367) 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, 18792 + ... + 22889.

It is an arithmetic number, because the mean of its divisors is an integer number (14255244).

Almost surely, 2^85404369 is an apocalyptic number.

It is an amenable number.

85404369 is a deficient number, since it is larger than the sum of its proper divisors (28637583).

85404369 is a wasteful number, since it uses less digits than its factorization.

85404369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42367.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 85404369 is about 9241.4484254364. The cubic root of 85404369 is about 440.3790964925.

The spelling of 85404369 in words is "eighty-five million, four hundred four thousand, three hundred sixty-nine".