84496521 has 8 divisors (see below), whose sum is σ = 112817440. Its totient is φ = 56253312.

The previous prime is 84496519. The next prime is 84496543. The reversal of 84496521 is 12569448.

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

It is not a de Polignac number, because 84496521 - 2¹ = 84496519 is a prime.

It is a super-2 number, since 2×84496521² = 14279324122206882, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84496521.

It is not an unprimeable number, because it can be changed into a prime (84496501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16840 + ... + 21273.

It is an arithmetic number, because the mean of its divisors is an integer number (14102180).

Almost surely, 2^84496521 is an apocalyptic number.

It is an amenable number.

84496521 is a deficient number, since it is larger than the sum of its proper divisors (28320919).

84496521 is a wasteful number, since it uses less digits than its factorization.

84496521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38855.

The product of its digits is 69120, while the sum is 39.

The square root of 84496521 is about 9192.1989208241. The cubic root of 84496521 is about 438.8131253887.

The spelling of 84496521 in words is "eighty-four million, four hundred ninety-six thousand, five hundred twenty-one".