84603921 has 8 divisors (see below), whose sum is σ = 112943040. Its totient is φ = 56333712.

The previous prime is 84603907. The next prime is 84603949. The reversal of 84603921 is 12930648.

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

It is not a de Polignac number, because 84603921 - 2¹³ = 84595729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84603521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14290 + ... + 19323.

It is an arithmetic number, because the mean of its divisors is an integer number (14117880).

Almost surely, 2^84603921 is an apocalyptic number.

It is an amenable number.

84603921 is a deficient number, since it is larger than the sum of its proper divisors (28339119).

84603921 is a wasteful number, since it uses less digits than its factorization.

84603921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34455.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 84603921 is about 9198.0389757817. The cubic root of 84603921 is about 438.9989656872.

The spelling of 84603921 in words is "eighty-four million, six hundred three thousand, nine hundred twenty-one".