8391552 has 96 divisors (see below), whose sum is σ = 24604440. Its totient is φ = 2519040.

The previous prime is 8391533. The next prime is 8391553. The reversal of 8391552 is 2551938.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8391553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 204652 + ... + 204692.

Almost surely, 2^8391552 is an apocalyptic number.

8391552 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8391552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12302220).

8391552 is an abundant number, since it is smaller than the sum of its proper divisors (16212888).

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

8391552 is a wasteful number, since it uses less digits than its factorization.

8391552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112 (or 59 counting only the distinct ones).

The product of its digits is 10800, while the sum is 33.

The square root of 8391552 is about 2896.8175641555. The cubic root of 8391552 is about 203.2111015490.

The spelling of 8391552 in words is "eight million, three hundred ninety-one thousand, five hundred fifty-two".