85434806 has 4 divisors (see below), whose sum is σ = 128152212. Its totient is φ = 42717402.

The previous prime is 85434803. The next prime is 85434823. The reversal of 85434806 is 60843458.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 85434806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85434803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21358700 + ... + 21358703.

It is an arithmetic number, because the mean of its divisors is an integer number (32038053).

Almost surely, 2^85434806 is an apocalyptic number.

85434806 is a deficient number, since it is larger than the sum of its proper divisors (42717406).

85434806 is a wasteful number, since it uses less digits than its factorization.

85434806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42717405.

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 85434806 is about 9243.0950444102. The cubic root of 85434806 is about 440.4314053955.

The spelling of 85434806 in words is "eighty-five million, four hundred thirty-four thousand, eight hundred six".