85534436 has 12 divisors (see below), whose sum is σ = 161199612. Its totient is φ = 39477408.

The previous prime is 85534391. The next prime is 85534441. The reversal of 85534436 is 63443558.

It can be written as a sum of positive squares in 2 ways, for example, as 56911936 + 28622500 = 7544^2 + 5350^2 .

It is a super-2 number, since 2×85534436² = 14632279483676192, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 85534436.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 822395 + ... + 822498.

It is an arithmetic number, because the mean of its divisors is an integer number (13433301).

Almost surely, 2^85534436 is an apocalyptic number.

It is an amenable number.

85534436 is a deficient number, since it is larger than the sum of its proper divisors (75665176).

85534436 is a wasteful number, since it uses less digits than its factorization.

85534436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644910 (or 1644908 counting only the distinct ones).

The product of its digits is 172800, while the sum is 38.

The square root of 85534436 is about 9248.4829026171. The cubic root of 85534436 is about 440.6025422620.

The spelling of 85534436 in words is "eighty-five million, five hundred thirty-four thousand, four hundred thirty-six".