85394434 has 8 divisors (see below), whose sum is σ = 135626508. Its totient is φ = 40185600.

The previous prime is 85394363. The next prime is 85394437. The reversal of 85394434 is 43449358.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 70610409 + 14784025 = 8403^2 + 3845^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (85394437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1255767 + ... + 1255834.

Almost surely, 2^85394434 is an apocalyptic number.

85394434 is a deficient number, since it is larger than the sum of its proper divisors (50232074).

85394434 is a wasteful number, since it uses less digits than its factorization.

85394434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2511620.

The product of its digits is 207360, while the sum is 40.

The square root of 85394434 is about 9240.9108858380. The cubic root of 85394434 is about 440.3620195520.

The spelling of 85394434 in words is "eighty-five million, three hundred ninety-four thousand, four hundred thirty-four".