85434916 has 24 divisors (see below), whose sum is σ = 173423936. Its totient is φ = 36067680.

The previous prime is 85434913. The next prime is 85434917. The reversal of 85434916 is 61943458.

It is not an unprimeable number, because it can be changed into a prime (85434913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20895 + ... + 24646.

Almost surely, 2^85434916 is an apocalyptic number.

It is an amenable number.

85434916 is an abundant number, since it is smaller than the sum of its proper divisors (87989020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85434916 is a wasteful number, since it uses less digits than its factorization.

85434916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45619 (or 45617 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 85434916 is about 9243.1009947961. The cubic root of 85434916 is about 440.4315944185.

The spelling of 85434916 in words is "eighty-five million, four hundred thirty-four thousand, nine hundred sixteen".