84525408 has 72 divisors (see below), whose sum is σ = 262230696. Its totient is φ = 25612800.

The previous prime is 84525403. The next prime is 84525409. The reversal of 84525408 is 80452548.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84525403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10173 + ... + 16508.

It is an arithmetic number, because the mean of its divisors is an integer number (3642093).

Almost surely, 2^84525408 is an apocalyptic number.

84525408 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

84525408 is an abundant number, since it is smaller than the sum of its proper divisors (177705288).

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

84525408 is a wasteful number, since it uses less digits than its factorization.

84525408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26708 (or 26697 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The square root of 84525408 is about 9193.7700645600. The cubic root of 84525408 is about 438.8631256741.

It can be divided in two parts, 8452540 and 8, that added together give a palindrome (8452548).

The spelling of 84525408 in words is "eighty-four million, five hundred twenty-five thousand, four hundred eight".