84838490 has 32 divisors (see below), whose sum is σ = 173840256. Its totient is φ = 29508160.

The previous prime is 84838423. The next prime is 84838493. The reversal of 84838490 is 9483848.

It is not an unprimeable number, because it can be changed into a prime (84838493) 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 15 ways as a sum of consecutive naturals, for example, 14237 + ... + 19296.

It is an arithmetic number, because the mean of its divisors is an integer number (5432508).

Almost surely, 2^84838490 is an apocalyptic number.

84838490 is an abundant number, since it is smaller than the sum of its proper divisors (89001766).

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

84838490 is a wasteful number, since it uses less digits than its factorization.

84838490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33574.

The product of its (nonzero) digits is 221184, while the sum is 44.

The square root of 84838490 is about 9210.7811829399. The cubic root of 84838490 is about 439.4043075241.

The spelling of 84838490 in words is "eighty-four million, eight hundred thirty-eight thousand, four hundred ninety".