84128376 has 32 divisors (see below), whose sum is σ = 222693840. Its totient is φ = 26393088.

The previous prime is 84128353. The next prime is 84128381. The reversal of 84128376 is 67382148.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102691 + ... + 103506.

Almost surely, 2^84128376 is an apocalyptic number.

It is an amenable number.

84128376 is an abundant number, since it is smaller than the sum of its proper divisors (138565464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84128376 is a wasteful number, since it uses less digits than its factorization.

84128376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206223 (or 206219 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 84128376 is about 9172.1522010922. The cubic root of 84128376 is about 438.1749056469.

The spelling of 84128376 in words is "eighty-four million, one hundred twenty-eight thousand, three hundred seventy-six".