85211946 has 16 divisors (see below), whose sum is σ = 189360000. Its totient is φ = 28403964.

The previous prime is 85211933. The next prime is 85211953. The reversal of 85211946 is 64911258.

It is a super-2 number, since 2×85211946² = 14522151482213832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 85211946.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 788946 + ... + 789053.

It is an arithmetic number, because the mean of its divisors is an integer number (11835000).

Almost surely, 2^85211946 is an apocalyptic number.

85211946 is an abundant number, since it is smaller than the sum of its proper divisors (104148054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85211946 is a wasteful number, since it uses less digits than its factorization.

85211946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578010 (or 1578004 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 85211946 is about 9231.0316866534. The cubic root of 85211946 is about 440.0481111304.

It can be divided in two parts, 852119 and 46, that added together give a triangular number (852165 = T₁₃₀₅).

The spelling of 85211946 in words is "eighty-five million, two hundred eleven thousand, nine hundred forty-six".