85446516 has 12 divisors (see below), whose sum is σ = 199375232. Its totient is φ = 28482168.

The previous prime is 85446511. The next prime is 85446533. The reversal of 85446516 is 61564458.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×85446516² = 14602214193076512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85446511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3560260 + ... + 3560283.

Almost surely, 2^85446516 is an apocalyptic number.

It is an amenable number.

85446516 is an abundant number, since it is smaller than the sum of its proper divisors (113928716).

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

85446516 is a wasteful number, since it uses less digits than its factorization.

85446516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7120550 (or 7120548 counting only the distinct ones).

The product of its digits is 115200, while the sum is 39.

The square root of 85446516 is about 9243.7284685348. The cubic root of 85446516 is about 440.4515268440.

The spelling of 85446516 in words is "eighty-five million, four hundred forty-six thousand, five hundred sixteen".