84311552 has 80 divisors (see below), whose sum is σ = 185613120. Its totient is φ = 38019072.

The previous prime is 84311533. The next prime is 84311593. The reversal of 84311552 is 25511348.

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, 352649 + ... + 352887.

It is an arithmetic number, because the mean of its divisors is an integer number (2320164).

Almost surely, 2^84311552 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 84311552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92806560).

84311552 is an abundant number, since it is smaller than the sum of its proper divisors (101301568).

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

84311552 is a wasteful number, since it uses less digits than its factorization.

84311552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323 (or 307 counting only the distinct ones).

The product of its digits is 4800, while the sum is 29.

The square root of 84311552 is about 9182.1322142518. The cubic root of 84311552 is about 438.4926935616.

The spelling of 84311552 in words is "eighty-four million, three hundred eleven thousand, five hundred fifty-two".