84290398 has 8 divisors (see below), whose sum is σ = 126506808. Its totient is φ = 42121464.

The previous prime is 84290357. The next prime is 84290407. The reversal of 84290398 is 89309248.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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, 7036 + ... + 14767.

It is an arithmetic number, because the mean of its divisors is an integer number (15813351).

Almost surely, 2^84290398 is an apocalyptic number.

84290398 is a deficient number, since it is larger than the sum of its proper divisors (42216410).

84290398 is a wasteful number, since it uses less digits than its factorization.

84290398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23738.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 84290398 is about 9180.9802308904. The cubic root of 84290398 is about 438.4560174870.

The spelling of 84290398 in words is "eighty-four million, two hundred ninety thousand, three hundred ninety-eight".