85608434 has 4 divisors (see below), whose sum is σ = 128412654. Its totient is φ = 42804216.

The previous prime is 85608427. The next prime is 85608449. The reversal of 85608434 is 43480658.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 80156209 + 5452225 = 8953^2 + 2335^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21402107 + ... + 21402110.

Almost surely, 2^85608434 is an apocalyptic number.

85608434 is a deficient number, since it is larger than the sum of its proper divisors (42804220).

85608434 is a wasteful number, since it uses less digits than its factorization.

85608434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42804219.

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

The square root of 85608434 is about 9252.4825857712. The cubic root of 85608434 is about 440.7295644333.

The spelling of 85608434 in words is "eighty-five million, six hundred eight thousand, four hundred thirty-four".