84245830 has 16 divisors (see below), whose sum is σ = 153471024. Its totient is φ = 33292000.

The previous prime is 84245809. The next prime is 84245839. The reversal of 84245830 is 3854248.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84245839) by changing a digit.

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, 49921 + ... + 51580.

It is an arithmetic number, because the mean of its divisors is an integer number (9591939).

Almost surely, 2^84245830 is an apocalyptic number.

84245830 is a deficient number, since it is larger than the sum of its proper divisors (69225194).

84245830 is a wasteful number, since it uses less digits than its factorization.

84245830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101591.

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 84245830 is about 9178.5527181577. The cubic root of 84245830 is about 438.3787269401.

The spelling of 84245830 in words is "eighty-four million, two hundred forty-five thousand, eight hundred thirty".