85406194 has 4 divisors (see below), whose sum is σ = 128109294. Its totient is φ = 42703096.

The previous prime is 85406177. The next prime is 85406203. The reversal of 85406194 is 49160458.

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., 83997225 + 1408969 = 9165^2 + 1187^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21351547 + ... + 21351550.

Almost surely, 2^85406194 is an apocalyptic number.

85406194 is a deficient number, since it is larger than the sum of its proper divisors (42703100).

85406194 is a wasteful number, since it uses less digits than its factorization.

85406194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42703099.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 85406194 is about 9241.5471648420. The cubic root of 85406194 is about 440.3822332802.

The spelling of 85406194 in words is "eighty-five million, four hundred six thousand, one hundred ninety-four".