84128294 has 8 divisors (see below), whose sum is σ = 127493688. Its totient is φ = 41630400.

The previous prime is 84128287. The next prime is 84128321. The reversal of 84128294 is 49282148.

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216632 + ... + 217019.

It is an arithmetic number, because the mean of its divisors is an integer number (15936711).

Almost surely, 2^84128294 is an apocalyptic number.

84128294 is a deficient number, since it is larger than the sum of its proper divisors (43365394).

84128294 is a wasteful number, since it uses less digits than its factorization.

84128294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433750.

The product of its digits is 36864, while the sum is 38.

The square root of 84128294 is about 9172.1477310388. The cubic root of 84128294 is about 438.1747632837.

The spelling of 84128294 in words is "eighty-four million, one hundred twenty-eight thousand, two hundred ninety-four".