84552621 has 8 divisors (see below), whose sum is σ = 112779744. Its totient is φ = 56346960.

The previous prime is 84552617. The next prime is 84552631. The reversal of 84552621 is 12625548.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84552621 - 2² = 84552617 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84552631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10726 + ... + 16856.

It is an arithmetic number, because the mean of its divisors is an integer number (14097468).

Almost surely, 2^84552621 is an apocalyptic number.

It is an amenable number.

84552621 is a deficient number, since it is larger than the sum of its proper divisors (28227123).

84552621 is a wasteful number, since it uses less digits than its factorization.

84552621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10731.

The product of its digits is 19200, while the sum is 33.

The square root of 84552621 is about 9195.2499150377. The cubic root of 84552621 is about 438.9102180261.

The spelling of 84552621 in words is "eighty-four million, five hundred fifty-two thousand, six hundred twenty-one".