85408342 has 4 divisors (see below), whose sum is σ = 128112516. Its totient is φ = 42704170.

The previous prime is 85408339. The next prime is 85408373. The reversal of 85408342 is 24380458.

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

It is a junction number, because it is equal to n+sod(n) for n = 85408298 and 85408307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21352084 + ... + 21352087.

It is an arithmetic number, because the mean of its divisors is an integer number (32028129).

Almost surely, 2^85408342 is an apocalyptic number.

85408342 is a deficient number, since it is larger than the sum of its proper divisors (42704174).

85408342 is a wasteful number, since it uses less digits than its factorization.

85408342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42704173.

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 85408342 is about 9241.6633784184. The cubic root of 85408342 is about 440.3859251791.

The spelling of 85408342 in words is "eighty-five million, four hundred eight thousand, three hundred forty-two".