84128462 has 16 divisors (see below), whose sum is σ = 138720384. Its totient is φ = 37947000.

The previous prime is 84128441. The next prime is 84128477. The reversal of 84128462 is 26482148.

It is a super-3 number, since 3×84128462³ (a number of 25 digits) contains 333 as substring.

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 7 ways as a sum of consecutive naturals, for example, 11714 + ... + 17477.

It is an arithmetic number, because the mean of its divisors is an integer number (8670024).

Almost surely, 2^84128462 is an apocalyptic number.

84128462 is a deficient number, since it is larger than the sum of its proper divisors (54591922).

84128462 is a wasteful number, since it uses less digits than its factorization.

84128462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29335.

The product of its digits is 24576, while the sum is 35.

The square root of 84128462 is about 9172.1568891946. The cubic root of 84128462 is about 438.1750549546.

The spelling of 84128462 in words is "eighty-four million, one hundred twenty-eight thousand, four hundred sixty-two".