84156328 has 16 divisors (see below), whose sum is σ = 157901760. Its totient is φ = 42049200.

The previous prime is 84156323. The next prime is 84156329. The reversal of 84156328 is 82365148.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (84156323) by changing a digit.

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, 13473 + ... + 18703.

It is an arithmetic number, because the mean of its divisors is an integer number (9868860).

Almost surely, 2^84156328 is an apocalyptic number.

It is an amenable number.

84156328 is a deficient number, since it is larger than the sum of its proper divisors (73745432).

84156328 is a wasteful number, since it uses less digits than its factorization.

84156328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7248 (or 7244 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 84156328 is about 9173.6758172501. The cubic root of 84156328 is about 438.2234287467.

The spelling of 84156328 in words is "eighty-four million, one hundred fifty-six thousand, three hundred twenty-eight".