85238738 has 8 divisors (see below), whose sum is σ = 137693388. Its totient is φ = 39340944.

The previous prime is 85238729. The next prime is 85238749. The reversal of 85238738 is 83783258.

It can be written as a sum of positive squares in 2 ways, for example, as 82937449 + 2301289 = 9107^2 + 1517^2 .

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

It is a Curzon number.

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, 1639181 + ... + 1639232.

Almost surely, 2^85238738 is an apocalyptic number.

85238738 is a deficient number, since it is larger than the sum of its proper divisors (52454650).

85238738 is a wasteful number, since it uses less digits than its factorization.

85238738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3278428.

The product of its digits is 322560, while the sum is 44.

The square root of 85238738 is about 9232.4827646739. The cubic root of 85238738 is about 440.0942256880.

The spelling of 85238738 in words is "eighty-five million, two hundred thirty-eight thousand, seven hundred thirty-eight".