85351946 has 4 divisors (see below), whose sum is σ = 128027922. Its totient is φ = 42675972.

The previous prime is 85351939. The next prime is 85351961. The reversal of 85351946 is 64915358.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64915358 = 2 ⋅32457679.

It can be written as a sum of positive squares in only one way, i.e., 83923921 + 1428025 = 9161^2 + 1195^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21337985 + ... + 21337988.

Almost surely, 2^85351946 is an apocalyptic number.

85351946 is a deficient number, since it is larger than the sum of its proper divisors (42675976).

85351946 is a wasteful number, since it uses less digits than its factorization.

85351946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42675975.

The product of its digits is 129600, while the sum is 41.

The square root of 85351946 is about 9238.6116922403. The cubic root of 85351946 is about 440.2889733961.

The spelling of 85351946 in words is "eighty-five million, three hundred fifty-one thousand, nine hundred forty-six".