84428351 has 8 divisors (see below), whose sum is σ = 98125440. Its totient is φ = 71140248.

The previous prime is 84428299. The next prime is 84428359. The reversal of 84428351 is 15382448.

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

It is a cyclic number.

It is not a de Polignac number, because 84428351 - 2⁶ = 84428287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84428359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101801 + ... + 102626.

It is an arithmetic number, because the mean of its divisors is an integer number (12265680).

Almost surely, 2^84428351 is an apocalyptic number.

84428351 is a deficient number, since it is larger than the sum of its proper divisors (13697089).

84428351 is a wasteful number, since it uses less digits than its factorization.

84428351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204493.

The product of its digits is 30720, while the sum is 35.

The square root of 84428351 is about 9188.4901371226. The cubic root of 84428351 is about 438.6950852665.

The spelling of 84428351 in words is "eighty-four million, four hundred twenty-eight thousand, three hundred fifty-one".