84090485 has 8 divisors (see below), whose sum is σ = 106219680. Its totient is φ = 63731664.

The previous prime is 84090481. The next prime is 84090497. The reversal of 84090485 is 58409048.

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

It is a cyclic number.

It is not a de Polignac number, because 84090485 - 2² = 84090481 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84090481) 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, 442487 + ... + 442676.

It is an arithmetic number, because the mean of its divisors is an integer number (13277460).

Almost surely, 2^84090485 is an apocalyptic number.

It is an amenable number.

84090485 is a deficient number, since it is larger than the sum of its proper divisors (22129195).

84090485 is a wasteful number, since it uses less digits than its factorization.

84090485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885187.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 84090485 is about 9170.0864227116. The cubic root of 84090485 is about 438.1091118392.

The spelling of 84090485 in words is "eighty-four million, ninety thousand, four hundred eighty-five".