84409026 has 32 divisors (see below), whose sum is σ = 183257088. Its totient is φ = 25764480.

The previous prime is 84409021. The next prime is 84409027. The reversal of 84409026 is 62090448.

It is not an unprimeable number, because it can be changed into a prime (84409021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5646 + ... + 14166.

It is an arithmetic number, because the mean of its divisors is an integer number (5726784).

Almost surely, 2^84409026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84409026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91628544).

84409026 is an abundant number, since it is smaller than the sum of its proper divisors (98848062).

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

84409026 is a wasteful number, since it uses less digits than its factorization.

84409026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8666.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 84409026 is about 9187.4384895900. The cubic root of 84409026 is about 438.6616114024.

The spelling of 84409026 in words is "eighty-four million, four hundred nine thousand, twenty-six".