84354398 has 8 divisors (see below), whose sum is σ = 126697608. Its totient is φ = 42121864.

The previous prime is 84354397. The next prime is 84354419. The reversal of 84354398 is 89345348.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84354397) 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 3 ways as a sum of consecutive naturals, for example, 25736 + ... + 28827.

It is an arithmetic number, because the mean of its divisors is an integer number (15837201).

Almost surely, 2^84354398 is an apocalyptic number.

84354398 is a deficient number, since it is larger than the sum of its proper divisors (42343210).

84354398 is a wasteful number, since it uses less digits than its factorization.

84354398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55338.

The product of its digits is 414720, while the sum is 44.

The square root of 84354398 is about 9184.4650361357. The cubic root of 84354398 is about 438.5669596847.

The spelling of 84354398 in words is "eighty-four million, three hundred fifty-four thousand, three hundred ninety-eight".