84611312 has 40 divisors (see below), whose sum is σ = 174359376. Its totient is φ = 39638016.

The previous prime is 84611287. The next prime is 84611323. The reversal of 84611312 is 21311648.

It is a super-2 number, since 2×84611312² = 14318148236722688, which contains 22 as substring.

It is a congruent number.

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, 74783 + ... + 75905.

Almost surely, 2^84611312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84611312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87179688).

84611312 is an abundant number, since it is smaller than the sum of its proper divisors (89748064).

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

84611312 is a wasteful number, since it uses less digits than its factorization.

84611312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425 (or 1419 counting only the distinct ones).

The product of its digits is 1152, while the sum is 26.

The square root of 84611312 is about 9198.4407374294. The cubic root of 84611312 is about 439.0117489673.

The spelling of 84611312 in words is "eighty-four million, six hundred eleven thousand, three hundred twelve".